CVE-2026-45345 — MEDIUM (6.5)

Q: How severe is CVE-2026-45345?

CVE-2026-45345 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-45345?

Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Openwebui	Open Webui	< 0.5.7

Related Weaknesses (CWE)

CWE-285

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjpExploitVendor Advisory
https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjpExploitVendor Advisory

FAQ

What is CVE-2026-45345?

CVE-2026-45345 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 c...

How severe is CVE-2026-45345?

CVE-2026-45345 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-45345?

Check the references section above for vendor advisories and patch information. Affected products include: Openwebui Open Webui.