PYSEC-2026-3643 Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata

Summary Open WebUI lets a client define a model inline on a chat request instead of selecting a saved workspace model. The knowledge attached to such an inline model was used as-is, without checking that the caller can read what it points at. Any authenticated user who knows another user's file i...

Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata

Summary Open WebUI lets a client define a model inline on a chat request instead of selecting a saved workspace model. The knowledge attached to such an inline model was used as-is, without checking that the caller can read what it points at. Any authenticated user who knows another user's file i...

PYSEC-2026-3588 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...

CVE-2026-59212

Open WebUI vulnerability CVE-2026-59212 affects the Open WebUI platform. From version 0.9.6 up to, but not including, 0.10.0, verify_knowledge_file_access only checked read access; write and delete routes were later trusted via writable model.meta.knowledge entries. This allowed a user with read-...

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...

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...

CVE-2026-54012 Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...

Potential Unintended Data Exposure for Resource Exposed by Spring Data REST

Applications that allow HTTP PATCH access to resources exposed by Spring Data REST in versions 3.6.0 - 3.6.5, 3.7.0 - 3.7.2, and older unsupported versions, if an attacker knows about the structure of the underlying domain model, they can craft HTTP requests that expose hidden entity attributes...