CVE-2026-1531

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-1531", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-01-28T12:52:40.355Z", "datePublished": "2026-02-02T05:47:09.570Z", "dateUpdated": "2026-07-15T01:21:27.170Z"}, "containers": {"cna": {"title": "Foreman-kubevirt: foreman_kubevirt: man-in-the-middle due to insecure default ssl verification", "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": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in foreman_kubevirt. When configuring the connection to OpenShift, the system disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set. This insecure default allows a remote attacker, capable of intercepting network traffic between Satellite and OpenShift, to perform a Man-in-the-Middle (MITM) attack. Such an attack could lead to the disclosure or alteration of sensitive information."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rubygem-foreman_kubevirt", "defaultStatus": "affected", "versions": [{"version": "0:0.2.0-2.el8sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite_capsule:6.16::el8", "cpe:/a:redhat:satellite_capsule:6.16::el9", "cpe:/a:redhat:satellite_utils:6.16::el8", "cpe:/a:redhat:satellite:6.16::el8", "cpe:/a:redhat:satellite_utils:6.16::el9", "cpe:/a:redhat:satellite:6.16::el9", "cpe:/a:redhat:satellite_maintenance:6.16::el9"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rubygem-foreman_kubevirt", "defaultStatus": "affected", "versions": [{"version": 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"rubygem-foreman_kubevirt", "defaultStatus": "affected", "versions": [{"version": "0:0.4.3-1.el9sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite_capsule:6.18::el9", "cpe:/a:redhat:satellite:6.18::el9", "cpe:/a:redhat:satellite_utils:6.18::el9"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "satellite:el8/rubygem-foreman_kubevirt", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:satellite:6"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:5968", "name": "RHSA-2026:5968", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:5970", "name": "RHSA-2026:5970", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:5971", "name": "RHSA-2026:5971", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-1531", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433786", "name": "RHBZ#2433786", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-01-28T12:34:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "Improper Certificate Validation", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-295: Improper Certificate Validation", "workarounds": [{"lang": "en", "value": "To mitigate this issue, ensure that a Certificate Authority (CA) certificate is explicitly configured when setting up the connection to OpenShift in foreman_kubevirt. This will enable SSL verification and prevent Man-in-the-Middle attacks. Refer to the foreman_kubevirt documentation for specific instructions on configuring CA certificates. A restart or service reload may be required for the changes to take effect."}], "timeline": [{"lang": "en", "time": "2026-01-28T12:50:13.269Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-01-28T12:34:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Evgeni Golov (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-03-26T23:00:06.609Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-02T16:26:15.329498Z", "id": "CVE-2026-1531", "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": "2026-02-02T16:28:40.750Z"}}, {"affected": 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Such an attack could lead to the disclosure or alteration of sensitive information."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-295", "description": "Improper Certificate Validation"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-03-26T23:00:06.609Z"}, "x_redhatCweChain": "CWE-295: Improper Certificate Validation"}}, "cveMetadata": {"cveId": "CVE-2026-1531", "state": "PUBLISHED", "dateUpdated": "2026-06-30T02:45:51.571Z", "dateReserved": "2026-01-28T12:52:40.355Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2026-02-02T05:47:09.570Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

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When configuring the connection to OpenShift, the system disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set. This insecure default allows a remote attacker, capable of intercepting network traffic between Satellite and OpenShift, to perform a Man-in-the-Middle (MITM) attack. Such an attack could lead to the disclosure or alteration of sensitive information."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en foreman_kubevirt. Al configurar la conexi\u00f3n a OpenShift, el sistema deshabilita la verificaci\u00f3n SSL si no se establece expl\u00edcitamente un certificado de Autoridad de Certificaci\u00f3n (CA). Este valor predeterminado inseguro permite a un atacante remoto, capaz de interceptar el tr\u00e1fico de red entre Satellite y OpenShift, realizar un ataque man-in-the-middle (MitM). Dicho ataque podr\u00eda conducir a la divulgaci\u00f3n o alteraci\u00f3n de informaci\u00f3n sensible."}], "id": "CVE-2026-1531", "lastModified": "2026-07-15T02:18:16.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-1531", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-02T16:26:15.329498Z", "version": "2.0.3"}}]}, "published": "2026-02-02T06:16:20.790", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:5968"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:5970"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:5971"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-1531"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433786"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:5968"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:5970"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:5971"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-1531"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433786"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1531.json"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Evgeni Golov (Red Hat).", "bugzilla": {"description": "foreman-kubevirt: foreman_kubevirt: Man-in-the-Middle due to insecure default SSL verification", "id": "2433786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433786"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-295", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that a Certificate Authority (CA) certificate is explicitly configured when setting up the connection to OpenShift in foreman_kubevirt. This will enable SSL verification and prevent Man-in-the-Middle attacks. Refer to the foreman_kubevirt documentation for specific instructions on configuring CA certificates. A restart or service reload may be required for the changes to take effect."}, "name": "CVE-2026-1531", "package_state": [{"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "rubygem-foreman_kubevirt", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite:el8/rubygem-foreman_kubevirt", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-01-28T12:34:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-1531\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-1531"], "statement": "This is an IMPORTANT flaw in foreman_kubevirt where the default configuration for connecting to OpenShift disables SSL verification if a CA certificate is not explicitly provided. This insecure default allows a remote attacker to perform a Man-in-the-Middle attack by intercepting network traffic between Satellite and OpenShift, potentially leading to information disclosure or alteration.", "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-16T17:35:33.901478+00:00", "value": {"mitigation_remediation": ["Update Red\u00a0Hat Satellite to the latest available release that includes the foreman_kubevirt fix, as listed in the RHSA errata (e.g., RHSA\u20112026:5968, RHSA\u20112026:5970, RHSA\u20112026:5971).", "Configure an explicit CA certificate for the foreman_kubevirt OpenShift connection; consult the foreman_kubevirt documentation for instructions on adding CA certificates.", "Restart or reload the foreman_kubevirt service after adding the CA certificate to ensure SSL verification is enabled."], "summary": {"action": "Mitigate", "impact": "Man-in-the-Middle via insecure default SSL verification"}, "threat_synthesis": {"affected_systems": "The issue affects Red\u00a0Hat Satellite 6 and its associated components, including Satellite 6.16, 6.17, and 6.18 for both RHEL\u00a08 and RHEL\u00a09 platforms, as well as related capsule, maintenance and utility modules for the same versions.", "description_and_impact": "A flaw in foreman_kubevirt causes the system to disable SSL verification when a Certificate Authority certificate is not explicitly configured during OpenShift connection setup. This insecure default permits an attacker who can observe traffic between a Red\u00a0Hat Satellite server and an OpenShift cluster to intercept or modify the communication, resulting in disclosure or alteration of sensitive data. The vulnerability is a classic example of misconfigured cryptographic verification, classified as CWE\u2011295.", "risk_and_exploitability": "With a CVSS score of 8.1, this vulnerability is considered high severity. The EPSS score is below 1\u202f%, indicating a low probability of exploitation at present, and the vulnerability is not listed in the CISA KEV catalog. The attack vector requires a remote attacker who can intercept network traffic between the Satellite server and the OpenShift cluster; no credential compromise is needed, but the attacker must be able to position themselves on the network path to perform a man\u2011in\u2011the\u2011middle attack."}}}}, "created": "2026-04-16T17:45:27.370147+00:00", "updated": "2026-04-16T17:45:27.370160+00:00", "vendors": []}