Open WebUI: Model meta.knowledge read-only file access can be upgraded to file write/delete

Summary Current main and v0.9.6 still allow an authenticated user to turn read-only access to another user's file into write/delete access by attaching that file ID to an attacker-controlled workspace model. This is an incomplete-fix variant of GHSA-vjqm-6gcc-62cr. The current fix adds...

EUVD-2026-42634

Open WebUI: Model meta.knowledge read-only file access can be upgraded to file write/delete...

CVE-2026-59212

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, verifyknowledgefileaccess only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user...

CVE-2026-59212 Open WebUI: Model meta.knowledge read-only file access can be upgraded to file write/delete

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, verifyknowledgefileaccess only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user...