PT-2026-29571 · Unknown · Open-Webui

Timoles · Published 2026-04-01 · Updated 2026-04-01 · CVE-2026-34222

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.11

Description A broken access control issue exists in Open WebUI, specifically in tool values. This allows low-privileged attackers to access sensitive Tool data.

Recommendations Update to version 0.8.11 or later.

Exploit

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

CVE-2026-34222

GHSA-7429-HXCV-268M

Affected Products

Open-Webui

References · 7

• 🔥 http://seclists.org/fulldisclosure/2026/Apr/4 · Exploit
• https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-7429-hxcv-268m · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34222 · Security Note
• https://github.com/open-webui/open-webui · Note
• https://github.com/open-webui/open-webui/releases/tag/v0.8.11 · Note
• https://twitter.com/autumn_good_35/status/2039336837811167516 · Twitter Post