{"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"}}]}}