High severity7.7NVD Advisory· Published Apr 1, 2026· Updated Apr 15, 2026

CVE-2026-34222

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.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
open-webuiPyPI	< 0.8.11	0.8.11

Affected products

Openwebui/Open Webui
cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*
Range: <0.8.11

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

seclists.org/fulldisclosure/2026/Apr/4nvdMailing ListExploitThird Party AdvisoryWEB
github.com/advisories/GHSA-7429-hxcv-268mghsaADVISORY
github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268mnvdVendor AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2026-34222ghsaADVISORY
github.com/open-webui/open-webui/releases/tag/v0.8.11nvdRelease NotesWEB

News mentions

No linked articles in our index yet.

cvss	0.501
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000