CVE-2026-109286
8.1, highOpen WebUI from 0.7.0 before 0.11.4 contains a cross-origin message handling vulnerability in SyncStatsModal that allows any website to…
- CVSS
- 8.1, high high CVSS v3.1
- EPSS, next 30 days
- 0.1% higher than 3.3% of scored CVEs
- Exploitation
- No public evidence
- Published
- 12 Oct 20265 days ago
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.
Details
- Vendor
- Open-webui
- Product
- open-webui
- Weakness
- CWE-346 (opens in a new tab)
- Status
- Awaiting analysis
- Updated
- 15 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
References 2
Advisories 1
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other Open-webui CVEs
Every Open-webui CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2026-109290 open-webui Cross-Site Scripting Vulnerability EPSS 0.3% 7.3, high
- CVE-2026-109291 open-webui Cross-Site Scripting Vulnerability EPSS 0.3% 7.3, high
- CVE-2026-109572 open-webui Missing Authorization Vulnerability EPSS 0.3% 7.6, high
Beyond this page
Is CVE-2026-109286 in your network?
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.