What’s Vulnerable › Vulnerabilities

CVE-2026-109286: Open WebUI 0.7.0 before 0.11.4 Session Token Theft via SyncStatsModal

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-18
• Weakness: CWE-346

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.

Affected products

• open-webui: from 0.7.0 before 0.11.4 — fixed in 0.11.4

How to fix

Upgrade to a fixed version: open-webui 0.11.4. Check the vendor advisory for mitigations.

References

• https://github.com/open-webui/open-webui/security/advisories/GHSA-vpq8-f445-hcq7
• https://www.vulncheck.com/advisories/open-webui-0.7.0-before-0.11.4-session-token-theft-via-syncstatsmodal
• https://github.com/open-webui/open-webui/security/advisories/GHSA-vpq8-f445-hcq7

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