CVE-2026-82283: Voltagent

High severity, CVSS 8.1. EPSS: 0.3% chance of exploitation in the next 30 days.

VoltAgent through 2.1.20 fails to validate conversation ownership in memory API handlers, allowing authenticated users to access other users' conversations. Attackers can read, modify, and delete arbitrary conversations and messages by supplying caller-controlled identifiers to memory endpoints.

Affected products

• Voltagent Voltagent: up to and including 2.1.20

Published 2026-08-28. Last modified 2026-09-23.