{"id":"CVE-2026-34222","state":"PUBLISHED","title":"Open WebUI has Broken Access Control in Tool Valves","description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.","publishedAt":"2026-04-01T17:02:21.846Z","updatedAt":"2026-04-04T03:03:42.269Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["open-webui open-webui"],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":"< 0.8.11","status":"affected"}]}],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m","https://github.com/open-webui/open-webui/releases/tag/v0.8.11","http://seclists.org/fulldisclosure/2026/Apr/4"],"weaknesses":["CWE-285"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34222.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34222","state":"PUBLISHED","datePublished":"2026-04-01T17:02:21.846Z","dateUpdated":"2026-04-04T03:03:42.269Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-26T15:57:52.324Z"},"containers":{"cna":{"title":"Open WebUI has Broken Access Control in Tool Valves","descriptions":[{"lang":"en","value":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11."}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":"< 0.8.11","status":"affected"}]}],"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m","name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/open-webui/open-webui/releases/tag/v0.8.11","name":"https://github.com/open-webui/open-webui/releases/tag/v0.8.11","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","lang":"en","description":"CWE-285: Improper Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-01T17:02:21.846Z"},"source":{"advisory":"GHSA-7429-hxcv-268m","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://seclists.org/fulldisclosure/2026/Apr/4"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-04-03T05:33:11.349Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-04T03:03:22.905022Z","id":"CVE-2026-34222","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-04T03:03:42.269Z"}}]}}}