CVE-2026-109299

MEDIUM Status: Received

CVSS Scores

CVSS v3.x Base Score
6.5
MEDIUM

Description

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.

Published
October 12, 2026 5:17 PM
Last Modified
October 12, 2026 5:17 PM
Source
[email protected]

Weaknesses (CWE)

CWE-400

References

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