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CVE-2026-82283

VoltAgent Memory API Handlers Missing Ownership Checks

CVSS 4.0 8.6 HIGHCVSS 3.1 8.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82283

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82283

Published

@voltagent/server-core

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "VoltAgent",
                    "product": "voltagent",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "2.1.20",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "packageName": "@voltagent/server-core"
                }

Original source record · Cite this exact observation · Complete original publisher JSON