CVE-2026-59212 — MEDIUM (5.4)

Vulnerability Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user with read-only knowledge file access to upgrade to file write or delete operations. This issue is fixed in version 0.10.0.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Openwebui	Open Webui	0.9.6

Related Weaknesses (CWE)

CWE-863

References

https://github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdfPatch
https://github.com/open-webui/open-webui/pull/26032Issue TrackingPatch
https://github.com/open-webui/open-webui/releases/tag/v0.10.0ProductRelease Notes
https://github.com/open-webui/open-webui/security/advisories/GHSA-2xwm-4h2q-ggfxExploitMitigationVendor Advisory

FAQ

What is CVE-2026-59212?

CVE-2026-59212 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete route...

How severe is CVE-2026-59212?

CVE-2026-59212 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-59212?

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