CVE-2026-59215 | THREATINT

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.

PUBLISHED Reserved 2026-07-02 | Published 2026-07-09 | Updated 2026-07-09 | Assigner GitHub_M

LOW: 3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-639: Authorization Bypass Through User-Controlled Key

Product status

< 0.10.0

affected

References

github.com/...-webui/security/advisories/GHSA-73x5-h92w-xc2j exploit

github.com/...-webui/security/advisories/GHSA-73x5-h92w-xc2j

github.com/open-webui/open-webui/pull/25766

github.com/...ommit/a66477b7104c5d141ce7bffaea424b43e7666ef1

github.com/open-webui/open-webui/releases/tag/v0.10.0

cve.org (CVE-2026-59215)

nvd.nist.gov (CVE-2026-59215)

Download JSON