CVE-2026-82280 Quivr Prompt Endpoints Missing Ownership Validation

Quivr through 0.0.322 fails to validate ownership in prompt endpoints, allowing authenticated users to modify any prompt by identifier. Attackers with read-only access to shared brains can read exposed prompt identifiers and overwrite system prompts affecting all brain users...

CVE-2026-82280

Quivr through 0.0.322 fails to validate ownership in its prompt endpoints, allowing any authenticated user to modify prompts by identifier. An attacker with only read-only access to a shared brain can discover exposed prompt identifiers and overwrite system prompts , affecting all users of that b...

EUVD-2026-67811

Quivr through 0.0.322 fails to validate ownership in prompt endpoints, allowing authenticated users to modify any prompt by identifier. Attackers with read-only access to shared brains can read exposed prompt identifiers and overwrite system prompts affecting all brain users...

Insufficient Isolation of System-Dependent Functions

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Insufficient Isolation of System-Dependent Functions due to improper access control on the /api/v1/prompts/ and /api/v1/prompts/command/commandid interfaces. An attacker can view and retrieve prompt informati...