High severity7.1NVD Advisory· Published Aug 28, 2026

CVE-2026-82280

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

QuivrHQ/Quivrreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <=0.0.322

Patches

Vulnerability mechanics

References

github.com/QuivrHQ/quivr/blob/v0.0.322/backend/api/quivr_api/modules/prompt/controller/prompt_routes.pynvd
github.com/QuivrHQ/quivr/issues/3698nvd
www.vulncheck.com/advisories/quivr-prompt-endpoints-missing-ownership-validationnvd

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