{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32113","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-10T22:02:38.855Z","datePublished":"2026-03-31T17:39:25.820Z","dateUpdated":"2026-04-01T13:56:12.868Z"},"containers":{"cna":{"title":"Discourse: Open redirect via `sso_destination_url` cookie in `enter`","problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-378j-ccw4-4fwh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-378j-ccw4-4fwh"},{"name":"https://github.com/discourse/discourse/commit/080408b93d00305b51d71f63f755f43fa601884d","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/080408b93d00305b51d71f63f755f43fa601884d"},{"name":"https://meta.discourse.org/t/using-discourse-as-a-sso-provider/32974","tags":["x_refsource_MISC"],"url":"https://meta.discourse.org/t/using-discourse-as-a-sso-provider/32974"}],"affected":[{"vendor":"discourse","product":"discourse","versions":[{"version":">= 2026.1.0-latest, < 2026.1.3","status":"affected"},{"version":">= 2026.2.0-latest, < 2026.2.2","status":"affected"},{"version":">= 2026.3.0-latest, < 2026.3.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-31T17:39:25.820Z"},"descriptions":[{"lang":"en","value":"Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, the enter action in StaticController reads the sso_destination_url cookie and redirects to it with allow_other_host: true without validating the destination URL. While this cookie is normally set during legitimate DiscourseConnect Provider flows with cryptographically validated SSO payloads, cookies are client-controlled and can be set by attackers. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0."}],"source":{"advisory":"GHSA-378j-ccw4-4fwh","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://meta.discourse.org/t/use-discourse-as-an-identity-provider-sso-discourseconnect/32974","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-01T13:56:09.785795Z","id":"CVE-2026-32113","options":[{"Exploitation":"poc"},{"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":"2026-04-01T13:56:12.868Z"}}]}}