CVE-2026-109286
Open WebUI 0.7.0 before 0.11.4 Session Token Theft via SyncStatsModal
- State
- Published
- Severity
- 8.6 High
- Published
- Oct 12, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 12, 2026
Description
Open WebUI from 0.7.0 before 0.11.4 contains a cross-origin message handling vulnerability in SyncStatsModal that allows any website to steal a signed-in user's session token by posting unvalidated verify:chat messages. Attackers can supply a path-traversal chat id redirecting the authenticated stats export request to the auths endpoint, receiving the victim's JWT for full API access.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-346 Origin Validation Error
Affected Products
| Product | Versions |
|---|---|
open-webuiopen-webui |
|
References
- GitHub Security Advisory (GHSA-vpq8-f445-hcq7)vendor-advisory
- VulnCheck Advisory: Open WebUI 0.7.0 before 0.11.4 Session Token Theft via SyncStatsModalthird-party-advisory
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