{"data":{"id":"0ab955cd-a629-4c08-b3df-06fed6e16ca3","title":"CVE-2026-45401: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the…","summary":"CVE-2026-45401 affects Open WebUI versions prior to 0.9.5. The validate_url() function in backend/open_webui/retrieval/web/utils.py checks only the initial URL, and the downstream HTTP clients follow 3xx redirects without re-validating the target against the private-IP and metadata-IP block list. Any authenticated user can submit a public URL that redirects to an internal address and read the internal response body through /api/v1/retrieval/process/web and other routes that call these helpers.","solution":"Fixed in 0.9.5.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45401","publishedAt":"2026-05-15T21:16:38.140Z","cveId":"CVE-2026-45401","cweIds":["CWE-918"],"cvssScore":"8.5","cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":["open-webui@<= 0.9.4 (fixed: 0.9.5)"],"affectedPackageNames":["open-webui"],"affectedPackageRefs":["pypi:open-webui"],"affectedVendors":[],"affectedVendorsRaw":["Open WebUI"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","attackVector":"network","attackComplexity":"low","privilegesRequired":"low","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00326,"epssCheckedAt":"2026-10-14T18:05:59.791Z","kevDateAdded":null,"advisoryAliases":["GHSA-rh5x-h6pp-cjj6"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:48:17.857Z","patchAvailable":true,"disclosureDate":"2026-05-15T21:16:38.140Z","capecIds":["CAPEC-664"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality"],"aiComponentTargeted":"api","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null}}