CVE-2026-34222

Name: CVE-2026-34222
Creator: NVD / NIST
Published: 2026-04-01T18:16:29.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 5.27%

Last modified Jun 17, 2026

CVE-2026-34222 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 5.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS Probability

5.27%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Openwebui	Open Webui	< 0.8.11

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

Timeline

Published: Apr 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-34222?

How severe is CVE-2026-34222?

CVE-2026-34222 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 5.27% probability of exploitation in the next 30 days.

How do I fix CVE-2026-34222?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-34222?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST