PT-2026-41175 · Unknown · Open-Webui

Published 2026-05-10 · Updated 2026-05-16 · CVE-2026-45345

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.5.7

Description An issue exists where a user can modify another user's model regardless of whether its visibility is set to Private. By altering access permissions during the editing process, unauthorized access can be obtained. This is possible via the '/api/v1/models/model/update' endpoint by manipulating the id and access control parameters.

Recommendations Update to version 0.5.7.

Exploit

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

BDU:2026-07134

CVE-2026-45345

GHSA-GM54-M39W-GRJP

Affected Products

Open-Webui

References · 7

• 🔥 https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjp · Exploit
• https://bdu.fstec.ru/vul/2026-07134 · Security Note
• https://osv.dev/vulnerability/GHSA-gm54-m39w-grjp · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-45345 · Security Note
• https://github.com/open-webui/open-webui · Note
• https://twitter.com/CVEnew/status/2055457500216938820 · Twitter Post
• https://t.me/CVEtracker/53982 · Telegram Post