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.
Metrics
Affected Vendors & Products
References
History
Tue, 19 May 2026 13:30:00 +0000
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| Metrics |
ssvc
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Tue, 19 May 2026 03:15:00 +0000
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| First Time appeared |
Openwebui
Openwebui open Webui |
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| CPEs | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openwebui
Openwebui open Webui |
Fri, 15 May 2026 21:00:00 +0000
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| First Time appeared |
Open-webui
Open-webui open-webui |
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| Vendors & Products |
Open-webui
Open-webui open-webui |
Fri, 15 May 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
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| 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. | |
| Title | Open WebUI: Broken Access Control for Completions API | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-19T12:41:40.089Z
Reserved: 2026-05-11T21:40:08.177Z
Link: CVE-2026-45349
Updated: 2026-05-19T12:41:34.291Z
Status : Modified
Published: 2026-05-15T20:16:48.823
Modified: 2026-05-19T14:16:45.840
Link: CVE-2026-45349
No data.
OpenCVE Enrichment
Updated: 2026-05-15T21:15:08Z