{"data":{"id":"3eb963e5-521f-4e79-ab62-70438cc98ea6","title":"GHSA-4vg5-rp28-gvjf: Open WebUI has Improper Authorization Control","summary":"Open WebUI version 0.1.105 has an improper authorization flaw (CWE-285) in which accounts with the pending role can make authenticated API calls as a user. The role check is enforced only at the client presentation layer, while the API does not validate that the user holds the user role. A pending user who signs up through POST /api/v1/auths/signup receives a valid JWT and can call the authenticated GET /ollama/api/tags endpoint to list available models.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-4vg5-rp28-gvjf","publishedAt":"2026-05-08T22:34:12.000Z","cveId":"CVE-2026-44567","cweIds":null,"cvssScore":null,"cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":["open-webui@<= 0.1.123 (fixed: 0.1.124)"],"affectedPackageNames":["open-webui"],"affectedPackageRefs":["pypi:open-webui"],"affectedVendors":[],"affectedVendorsRaw":["Open WebUI","Ollama"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00338,"epssCheckedAt":"2026-10-14T06:09:06.335Z","kevDateAdded":null,"advisoryAliases":["GHSA-4vg5-rp28-gvjf"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-05-08T22:34:12.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null}}