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CVE-2026-109296

5.3 medium SSVC exploitation: none Published
NVD · CVE.org

Open WebUI before 0.11.4 contains a missing authorization vulnerability that allows authenticated users to reach disabled model provider backends by supplying an explicit backend index. Attackers can pass the index as a path segment or query parameter on Ollama and OpenAI-compatible listing routes to trigger requests carrying configured API keys, read version strings, and enumerate connections.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 21:57
  2. CwesCWE-639 → CWE-639, CWE-862NVD modified 2026-10-23 22:16
  3. StatusPublished → Awaiting AnalysisNVD modified 2026-10-23 22:16
  4. StatusAwaiting Analysis → PublishedNVD modified 2026-10-21 18:38
  5. StatusReceived → Awaiting AnalysisNVD modified 2026-10-15 16:25
  6. First seenCVSS 5.3NVD modified 2026-10-12 17:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2