CVE-2026-82280 | BDVDB-2026-366209 Detail
QuivrHQquivr
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact none. Attack vector: network.
Weaknesses#
- CWE-639 Authorization Bypass Through User-Controlled Key
References#
- https://github.com/QuivrHQ/quivr/issues/3698
- https://github.com/QuivrHQ/quivr
- https://github.com/QuivrHQ/quivr/blob/v0.0.322/backend/api/quivr_api/modules/prompt/controller/prompt_routes.py
- https://www.vulncheck.com/advisories/quivr-prompt-endpoints-missing-ownership-validation
- https://github.com/The-Vibe-Company/Quivr/issues/3698
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.