CVE-2026-96275

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96275", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-22T20:42:17.038Z", "datePublished": "2026-09-23T15:01:38.344Z", "dateUpdated": "2026-11-11T18:31:59.737Z"}, "containers": {"cna": {"title": "Flatpak: flatpak: arbitrary write access as root via extra-data extraction", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path operations that follow symlinks, and blob names from `xa.extra-data-sources` are not sanitized against `..` traversal."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.16.0-9.el10_2.4", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.2"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.18.0-2.el10_3.4", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.3"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.16.0-5.el10_0.6", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux_eus:10.0"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-6.el7_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:rhel_els:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-7.el8_10", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-2.el8_4.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-2.el8_4.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-1.el8_6.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-1.el8_6.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-1.el8_8.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-1.el8_8.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-4.el9_8.4", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-6.el9_9.5", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.7-5.el9_2.5", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-3.el9_4.5", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "flatpak", "defaultStatus": "affected", "versions": [{"version": "0:1.12.9-4.el9_6.5", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhel_eus:9.6::appstream", "cpe:/a:redhat:rhel_eus:9.6::crb"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:80497", "name": "RHSA-2026:80497", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:80498", "name": "RHSA-2026:80498", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:80687", "name": "RHSA-2026:80687", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:89733", "name": "RHSA-2026:89733", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:90364", "name": "RHSA-2026:90364", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:92221", "name": "RHSA-2026:92221", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:92369", "name": "RHSA-2026:92369", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:95493", "name": "RHSA-2026:95493", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98112", "name": "RHSA-2026:98112", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98127", "name": "RHSA-2026:98127", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98490", "name": "RHSA-2026:98490", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98595", "name": "RHSA-2026:98595", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:99010", "name": "RHSA-2026:99010", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-96275", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539416", "name": "RHBZ#2539416", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-fqx6-vh4p-42cg"}], "datePublic": "2026-08-11T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory", "workarounds": [{"lang": "en", "value": "Avoid installing Flatpak extensions from non-trusted sources."}], "timeline": [{"lang": "en", "time": "2026-08-11T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-11T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Upstream acknowledges Sebastian Wick as the original reporter."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-11T18:31:59.737Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-25T18:09:09.886853Z", "id": "CVE-2026-96275", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-25T18:09:21.071Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-96275", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-25T18:09:09.886853Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-25T18:09:15.689Z"}}], "cna": {"title": "Flatpak: flatpak: arbitrary write access as root via extra-data extraction", "credits": [{"lang": "en", "value": "Upstream acknowledges Sebastian Wick as the original reporter."}], "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "0:1.16.0-9.el10_2.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux_eus:10.0"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:1.16.0-5.el10_0.6", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:1.12.9-7.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:1.12.9-2.el8_4.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:1.12.9-2.el8_4.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:1.12.9-1.el8_6.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:1.12.9-1.el8_6.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:1.12.9-4.el9_8.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.12.7-5.el9_2.5", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.12.9-3.el9_4.5", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.6::appstream", "cpe:/a:redhat:rhel_eus:9.6::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:1.12.9-4.el9_6.5", "lessThan": "*", "versionType": "rpm"}], "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "flatpak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}], "timeline": [{"lang": "en", "time": "2026-08-11T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-11T00:00:00.000Z", "value": "Made public."}], "datePublic": "2026-08-11T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:80497", "name": "RHSA-2026:80497", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:80498", "name": "RHSA-2026:80498", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:80687", "name": "RHSA-2026:80687", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:89733", "name": "RHSA-2026:89733", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:90364", "name": "RHSA-2026:90364", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:92221", "name": "RHSA-2026:92221", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:92369", "name": "RHSA-2026:92369", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:95493", "name": "RHSA-2026:95493", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:98112", "name": "RHSA-2026:98112", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-96275", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539416", "name": "RHBZ#2539416", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-fqx6-vh4p-42cg"}], "workarounds": [{"lang": "en", "value": "Avoid installing Flatpak extensions from non-trusted sources."}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path operations that follow symlinks, and blob names from `xa.extra-data-sources` are not sanitized against `..` traversal."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "Improper Limitation of a Pathname to a Restricted Directory"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-11T01:45:35.692Z"}, "x_redhatCweChain": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory"}}, "cveMetadata": {"cveId": "CVE-2026-96275", "state": "PUBLISHED", "dateUpdated": "2026-11-11T01:45:35.692Z", "dateReserved": "2026-09-22T20:42:17.038Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2026-09-23T15:01:38.344Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.16.0-9.el10_2.4", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10.3"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.18.0-2.el10_3.4", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux_eus:10.0"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.16.0-5.el10_0.6", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:7"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-6.el7_9", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-7.el8_10", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-2.el8_4.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-2.el8_4.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-1.el8_6.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-1.el8_6.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-1.el8_8.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-1.el8_8.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-4.el9_8.4", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-6.el9_9.5", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.7-5.el9_2.5", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-3.el9_4.5", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_eus:9.6::appstream", "cpe:/a:redhat:rhel_eus:9.6::crb"], "defaultStatus": "affected", "packageName": "flatpak", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:1.12.9-4.el9_6.5", "versionType": "rpm"}]}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path operations that follow symlinks, and blob names from `xa.extra-data-sources` are not sanitized against `..` traversal."}], "id": "CVE-2026-96275", "lastModified": "2026-11-11T19:17:49.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-96275", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-25T18:09:09.886853Z", "version": "2.0.3"}}]}, "published": "2026-09-23T15:17:32.180", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:80497"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:80498"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:80687"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:89733"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:90364"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92221"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92369"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:95493"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98112"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98127"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98490"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:98595"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:99010"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-96275"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539416"}, {"source": "secalert@redhat.com", "url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-fqx6-vh4p-42cg"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "flatpak", "vendor": "flatpak"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}], "created": "2026-09-23T17:00:08.047305+00:00", "updated": "2026-09-24T09:10:46.007019+00:00", "vendors": ["flatpak", "flatpak$PRODUCT$flatpak", "redhat", "redhat$PRODUCT$enterprise_linux"]}