VULNERABILITY INTELLIGENCE
CVE-2026-82280
CVSS score7.1 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-639