Vulnerability Description
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose thread context across channels. This issue is fixed in version 0.10.0.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openwebui | Open Webui | < 0.10.0 |
Related Weaknesses (CWE)
References
- https://github.com/open-webui/open-webui/commit/a66477b7104c5d141ce7bffaea424b43Patch
- https://github.com/open-webui/open-webui/pull/25766Issue TrackingPatch
- https://github.com/open-webui/open-webui/releases/tag/v0.10.0ProductRelease Notes
- https://github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2jMitigationVendor Advisory
- https://github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2jMitigationVendor Advisory
FAQ
What is CVE-2026-59215?
CVE-2026-59215 is a vulnerability with a CVSS score of 3.1 (LOW). Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowi...
How severe is CVE-2026-59215?
CVE-2026-59215 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59215?
Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.