{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59215","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-02T21:05:02.924Z","datePublished":"2026-07-09T16:57:24.325Z","dateUpdated":"2026-07-09T18:40:04.871Z"},"containers":{"cna":{"title":"Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding","problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2j"},{"name":"https://github.com/open-webui/open-webui/pull/25766","tags":["x_refsource_MISC"],"url":"https://github.com/open-webui/open-webui/pull/25766"},{"name":"https://github.com/open-webui/open-webui/commit/a66477b7104c5d141ce7bffaea424b43e7666ef1","tags":["x_refsource_MISC"],"url":"https://github.com/open-webui/open-webui/commit/a66477b7104c5d141ce7bffaea424b43e7666ef1"},{"name":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0","tags":["x_refsource_MISC"],"url":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0"}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":"< 0.10.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-09T16:57:24.325Z"},"descriptions":[{"lang":"en","value":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose thread context across channels. This issue is fixed in version 0.10.0."}],"source":{"advisory":"GHSA-73x5-h92w-xc2j","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2j","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T18:39:54.646732Z","id":"CVE-2026-59215","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":"2026-07-09T18:40:04.871Z"}}]}}