CVE-2026-82283
Received Received - Intake

Memory API Flaw in VoltAgent Allows Conversation Access

Publication date: 2026-08-28

Last updated on: 2026-08-28

Assigner: VulnCheck

Description
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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-28
Last Modified
2026-08-28
Generated
2026-08-29
AI Q&A
2026-08-29
EPSS Evaluated
N/A
NVD
CVE-2026-82283
EUVD
EUVD-2026-67814

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
voltagent voltagent 2.1.20

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

VoltAgent through version 2.1.20 has a flaw where it does not properly check if a user owns a conversation when accessing memory API endpoints. This allows authenticated users to manipulate conversations and messages belonging to others by providing identifiers they control.

Impact Analysis

If you use VoltAgent, an attacker with valid credentials could read, alter, or delete your private conversations and messages. This could lead to data leaks, misinformation, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could violate data protection requirements under GDPR and HIPAA by enabling unauthorized access to personal or health information. Organizations using VoltAgent may face compliance violations, fines, or legal consequences due to potential data breaches.

Mitigation Strategies

Immediately update VoltAgent to the latest version (2.1.20 or higher) to address the conversation ownership validation flaw. Restrict user permissions to prevent unauthorized access to memory endpoints and review all active conversations for signs of tampering or unauthorized modifications.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-82283. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart