CVEvulnerability
CVE-2026-45349
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-05-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-639
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key (generated in OWUI) and the Chat ID of another user to continue the conversation of the other user. This vulnerability is fixed in 0.9.0.
Affected configurations
• openwebui open webui (< 0.9.0)
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/open-webui/open-webui/security/advisories/GHSA-gfm2-xm6c-37qc Exploit, Mitigation, Vendor Advisory
- https://github.com/open-webui/open-webui/security/advisories/GHSA-gfm2-xm6c-37qc Exploit, Mitigation, Vendor Advisory