{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55186", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T15:20:43.086Z", "datePublished": "2026-11-03T20:48:32.218Z", "dateUpdated": "2026-11-03T22:39:17.905Z"}, "containers": {"cna": {"title": "Silverstripe MFA: Can bypass MFA during password reset flow", "problemTypes": [{"descriptions": [{"cweId": "CWE-288", "lang": "en", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg"}, {"name": "https://github.com/silverstripe/silverstripe-framework/pull/11686", "tags": ["x_refsource_MISC"], "url": "https://github.com/silverstripe/silverstripe-framework/pull/11686"}, {"name": "https://github.com/silverstripe/silverstripe-mfa/pull/603", "tags": ["x_refsource_MISC"], "url": "https://github.com/silverstripe/silverstripe-mfa/pull/603"}, {"name": "https://github.com/silverstripe/silverstripe-framework/commit/4b5cbd7ddf68721d8119583f0b9c04d4b4adc704", "tags": ["x_refsource_MISC"], "url": "https://github.com/silverstripe/silverstripe-framework/commit/4b5cbd7ddf68721d8119583f0b9c04d4b4adc704"}, {"name": "https://github.com/silverstripe/silverstripe-mfa/commit/04a102b662ac2f555acc26f8d2e2d8dab3937a6a", "tags": ["x_refsource_MISC"], "url": "https://github.com/silverstripe/silverstripe-mfa/commit/04a102b662ac2f555acc26f8d2e2d8dab3937a6a"}, {"name": "https://github.com/silverstripe/silverstripe-mfa/releases/tag/6.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/silverstripe/silverstripe-mfa/releases/tag/6.0.0"}, {"name": "https://www.silverstripe.org/download/security-releases/cve-2026-55186", "tags": ["x_refsource_MISC"], "url": "https://www.silverstripe.org/download/security-releases/cve-2026-55186"}], "affected": [{"vendor": "silverstripe", "product": "silverstripe-mfa", "versions": [{"version": "< 6.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-03T20:48:32.218Z"}, "descriptions": [{"lang": "en", "value": "Silverstripe MFA provides multi-factor authentication for Silverstripe CMS. Prior to 6.0.0, the CMS 5 password reset flow can issue a logged-in session after a user changes a password but before the user's configured multi-factor authentication challenge is completed. An attacker with access to the user's email account can follow the reset flow and bypass the additional authentication factor. CMS 6 is not affected. This issue is fixed in version 6.0.0."}], "source": {"advisory": "GHSA-68wq-phq7-p2vg", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-03T22:36:13.686987Z", "id": "CVE-2026-55186", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-03T22:39:17.905Z"}}]}}

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{"affected": [{"affectedData": [{"product": "silverstripe-mfa", "vendor": "silverstripe", "versions": [{"status": "affected", "version": "< 6.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Silverstripe MFA provides multi-factor authentication for Silverstripe CMS. Prior to 6.0.0, the CMS 5 password reset flow can issue a logged-in session after a user changes a password but before the user's configured multi-factor authentication challenge is completed. An attacker with access to the user's email account can follow the reset flow and bypass the additional authentication factor. CMS 6 is not affected. This issue is fixed in version 6.0.0."}], "id": "CVE-2026-55186", "lastModified": "2026-11-03T21:17:38.653", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-03T21:17:38.653", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-framework/commit/4b5cbd7ddf68721d8119583f0b9c04d4b4adc704"}, {"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-framework/pull/11686"}, {"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-mfa/commit/04a102b662ac2f555acc26f8d2e2d8dab3937a6a"}, {"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-mfa/pull/603"}, {"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-mfa/releases/tag/6.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/silverstripe/silverstripe-mfa/security/advisories/GHSA-68wq-phq7-p2vg"}, {"source": "security-advisories@github.com", "url": "https://www.silverstripe.org/download/security-releases/cve-2026-55186"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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