VulnerabilityAnalyzed
CVE-2026-34222
Prior to version 0.8.11, there is a broken access control vulnerability in tool values.
HIGH 7.7EPSS 5.01%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.
- CVSS 3.1
- 7.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 5.01% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285
- Affected
- openwebui/open webui
- Source
- security-advisories@github.com
References
- https://github.com/open-webui/open-webui/releases/tag/v0.8.11Release Notes
- https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268mVendor Advisory
- http://seclists.org/fulldisclosure/2026/Apr/4Exploit, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.