CVE-2026-54727

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54727", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:07:33.232Z", "datePublished": "2026-07-29T16:41:46.521Z", "dateUpdated": "2026-07-29T18:07:46.535Z"}, "containers": {"cna": {"title": "proot-distro has a Container Isolation Bypass via Crafted Restore Archive", "problemTypes": [{"descriptions": [{"cweId": "CWE-668", "lang": "en", "description": "CWE-668: Exposure of Resource to Wrong Sphere", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f"}, {"name": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716", "tags": ["x_refsource_MISC"], "url": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716"}, {"name": "https://github.com/termux/proot-distro/releases/tag/v5.1.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/termux/proot-distro/releases/tag/v5.1.6"}], "affected": [{"vendor": "termux", "product": "proot-distro", "versions": [{"version": "< 5.1.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-29T16:41:46.521Z"}, "descriptions": [{"lang": "en", "value": "proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6."}], "source": {"advisory": "GHSA-7h3g-4w2f-fj2f", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T18:07:28.241478Z", "id": "CVE-2026-54727", "options": [{"Exploitation": "poc"}, {"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": "2026-07-29T18:07:46.535Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54727", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T18:07:28.241478Z"}}}], "references": [{"url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T18:07:43.662Z"}}], "cna": {"title": "proot-distro has a Container Isolation Bypass via Crafted Restore Archive", "source": {"advisory": "GHSA-7h3g-4w2f-fj2f", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "termux", "product": "proot-distro", "versions": [{"status": "affected", "version": "< 5.1.6"}]}], "references": [{"url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f", "name": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716", "name": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/termux/proot-distro/releases/tag/v5.1.6", "name": "https://github.com/termux/proot-distro/releases/tag/v5.1.6", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-668", "description": "CWE-668: Exposure of Resource to Wrong Sphere"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-29T16:41:46.521Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54727", "state": "PUBLISHED", "dateUpdated": "2026-07-29T18:07:46.535Z", "dateReserved": "2026-06-15T23:07:33.232Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-29T16:41:46.521Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "proot-distro", "vendor": "termux", "versions": [{"status": "affected", "version": "< 5.1.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6."}, {"lang": "es", "value": "proot-distro es una utilidad para gestionar contenedores proot. Antes de la versi\u00f3n 5.1.6, proot-distro restore aceptaba entradas de enlaces duros cuyo nombre de enlace hac\u00eda referencia a otro contenedor instalado y no verificaba que el contenedor de origen del enlace duro coincidiera con el contenedor de destino que se estaba restaurando, lo que permit\u00eda que un archivo de restauraci\u00f3n manipulado copiara archivos entre contenedores que de otro modo estar\u00edan aislados. Este problema est\u00e1 solucionado en la versi\u00f3n 5.1.6."}], "id": "CVE-2026-54727", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54727", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T18:07:28.241478Z", "version": "2.0.3"}}]}, "published": "2026-07-29T17:16:53.250", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716"}, {"source": "security-advisories@github.com", "url": "https://github.com/termux/proot-distro/releases/tag/v5.1.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-668"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "proot-distro", "source": "cna", "vendor": "termux"}, "product": "proot-distro", "vendor": "termux"}], "created": "2026-07-30T14:01:51.304862+00:00", "updated": "2026-08-03T13:15:05.184885+00:00", "vendors": ["termux", "termux$PRODUCT$proot-distro"]}