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CVE-2026-109299

7.1 high SSVC exploitation: none Published
NVD · CVE.org

Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update endpoints, blocking the shared event loop for seconds per request.

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 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 21:58
  2. CwesCWE-400 → CWE-400, CWE-834NVD modified 2026-10-23 22:16
  3. First seenCVSS 7.1NVD modified 2026-10-13 20:39

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3