CVEvulnerability
CVE-2026-87012
4.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-09
- Last modified
- 2026-09-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-1287, CWE-754
Description
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, backend/open_webui/models/calendar.py stored the calendar event meta.alert_minutes value without type validation and the shared upcoming-event scheduler compared that value numerically. An authenticated user with the calendar permission could store a non-numeric alert_minutes value that raised an exception and aborted the instance-wide alert pass, suppressing all users' reminders while the event remained in the lookahead window. This issue is fixed in version 0.11.1.
Affected configurations
• openwebui open webui (>= 0.9.0 < 0.11.1)
Related
References
- https://github.com/open-webui/open-webui/commit/abc69000b33b4894fbd97fc2c962139cf9a8d784 Patch
- https://github.com/open-webui/open-webui/pull/28790 Issue Tracking, Patch
- https://github.com/open-webui/open-webui/releases/tag/v0.11.1 Release Notes
- https://github.com/open-webui/open-webui/security/advisories/GHSA-v39v-59xw-j98g Exploit, Vendor Advisory