{"id":"CVE-2026-59213","state":"PUBLISHED","title":"Open WebUI: Cross-user model-list exposure via static cache key in get_all_models (aiocache key= vs key_builder= misuse)","description":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, get_all_models handlers in routers/openai.py and routers/ollama.py passed a lambda to aiocache key instead of key_builder, causing permission-filtered per-user model lists to share a static cache entry and exposing one user’s model list to another caller during the TTL window. This issue is fixed in version 0.10.0.","publishedAt":"2026-07-09T16:55:00.032Z","updatedAt":"2026-07-09T17:52:21.479Z","severity":{"score":3.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["open-webui open-webui"],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":">= 0.6.27, < 0.10.0","status":"affected"}]}],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-3wp3-xxj9-5jqq","https://github.com/open-webui/open-webui/pull/25783","https://github.com/open-webui/open-webui/commit/0fc630b34b2899599dabffffa012afd47599aa75","https://github.com/open-webui/open-webui/releases/tag/v0.10.0"],"weaknesses":["CWE-524"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59213.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59213","state":"PUBLISHED","datePublished":"2026-07-09T16:55:00.032Z","dateUpdated":"2026-07-09T17:52:21.479Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-02T21:05:02.924Z"},"containers":{"cna":{"title":"Open WebUI: Cross-user model-list exposure via static cache key in get_all_models (aiocache key= vs key_builder= misuse)","descriptions":[{"lang":"en","value":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, get_all_models handlers in routers/openai.py and routers/ollama.py passed a lambda to aiocache key instead of key_builder, causing permission-filtered per-user model lists to share a static cache entry and exposing one user’s model list to another caller during the TTL window. This issue is fixed in version 0.10.0."}],"affected":[{"vendor":"open-webui","product":"open-webui","versions":[{"version":">= 0.6.27, < 0.10.0","status":"affected"}]}],"references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-3wp3-xxj9-5jqq","name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-3wp3-xxj9-5jqq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/open-webui/open-webui/pull/25783","name":"https://github.com/open-webui/open-webui/pull/25783","tags":["x_refsource_MISC"]},{"url":"https://github.com/open-webui/open-webui/commit/0fc630b34b2899599dabffffa012afd47599aa75","name":"https://github.com/open-webui/open-webui/commit/0fc630b34b2899599dabffffa012afd47599aa75","tags":["x_refsource_MISC"]},{"url":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0","name":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-524","lang":"en","description":"CWE-524: Use of Cache Containing Sensitive Information","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-09T16:55:00.032Z"},"source":{"advisory":"GHSA-3wp3-xxj9-5jqq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-3wp3-xxj9-5jqq","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T17:52:02.458867Z","id":"CVE-2026-59213","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":"2026-07-09T17:52:21.479Z"}}]}}}