CVE-2026-82283

HIGH 8.1

VoltAgent Memory API Handlers Missing Ownership Checks

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	voltagent
Product	voltagent
Published	Aug 28, 2026
Last Updated	Aug 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

VoltAgent / voltagent

0 ≤ 2.1.20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/VoltAgent/voltagent/issues/1371 github.com: https://github.com/VoltAgent/voltagent github.com: https://github.com/VoltAgent/voltagent/blob/44b4c8e4998ce56095b2f0e4eaf1a988f5e6d0de/packages/server-core/src/handlers/memory.handlers.ts vulncheck.com: https://www.vulncheck.com/advisories/voltagent-memory-api-handlers-missing-ownership-checks

Credits

🔍 George Chen