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CVE Vulnerability Details :

CVE-2026-45345

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-15 May, 2026 | 21:17

Updated At-15 May, 2026 | 21:17

▼CVE Numbering Authority (CNA)

Open WebUI: Missing authorization check at the model update function - models from other users can be updated

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.7, a user can modify another user's model even if its visibility is set to Private. By changing the access permissions during editing, unauthorized access can be gained. This vulnerability is fixed in 0.5.7.

Affected Products

Vendor

open-webui

Product

open-webui

Versions

Affected

< 0.5.7

Problem Types

Type	CWE ID	Description
CWE	CWE-285	CWE-285: Improper Authorization

Type: CWE

CWE ID: CWE-285

Description: CWE-285: Improper Authorization

Metrics

Version	Base score	Base severity	Vector
3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

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

References

Hyperlink	Resource
https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjp	x_refsource_CONFIRM

Hyperlink: https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjp

Resource:

x_refsource_CONFIRM

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Affected

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