{"data":{"id":"8ec5bafb-79b8-4536-a589-807c217927f0","title":"CVE-2026-44563: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the…","summary":"Open WebUI versions prior to 0.9.0 expose the /api/generate, /api/embed, /api/embeddings and /api/show endpoints, which forward requests for any user-supplied model name to the Ollama backend. These endpoints require only an authenticated, non-pending user and check that the model exists, but never call AccessGrants.has_access(), so authenticated users can reach models they are not authorized to use.","solution":"Fixed in 0.9.0.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-44563","publishedAt":"2026-05-15T20:16:48.000Z","cveId":"CVE-2026-44563","cweIds":["CWE-862"],"cvssScore":"5.4","cvssSeverity":"medium","severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":["open-webui@<= 0.8.12 (fixed: 0.9.0)"],"affectedPackageNames":["open-webui"],"affectedPackageRefs":["pypi:open-webui"],"affectedVendors":[],"affectedVendorsRaw":["Open WebUI","Ollama"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Open WebUI model access bypass in Ollama proxy endpoints","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","attackVector":"network","attackComplexity":"low","privilegesRequired":"low","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00238,"epssCheckedAt":"2026-11-07T06:14:04.080Z","kevDateAdded":null,"advisoryAliases":["GHSA-rcvp-6fgw-c7fh"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:48:18.367Z","patchAvailable":true,"disclosureDate":"2026-05-15T20:16:48.000Z","fixReleasedAt":"2026-04-21T08:03:01.173Z","daysToFix":-24,"fixCheckedAt":"2026-10-29T21:35:53.334Z","capecIds":["CAPEC-122"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null,"fixes":[{"ecosystem":"pypi","name":"open-webui","fixedVersion":"0.9.0","matchedVersion":"0.9.0","fixReleasedAt":"2026-04-21T08:03:01.173Z","daysToFix":-24,"match":"ecosystem","source":"tracked","status":"found","checkedAt":"2026-10-29T21:35:53.176Z"}]}}