High severity · published Aug 28, 2026
CVE-2026-82283
VoltAgent Memory API Handlers Missing Ownership Checks
8.1
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VO
voltagent · VoltAgent
through 2.1.20 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82283
github.com
https://github.com/VoltAgent/voltagent
github.com
https://github.com/VoltAgent/voltagent/blob/44b4c8e4998ce56095b2f0e4eaf1a988f5e6d0de/packages/server-core/src/handlers/memory.handlers.ts
github.com
https://github.com/VoltAgent/voltagent/issues/1371
www.vulncheck.com
https://www.vulncheck.com/advisories/voltagent-memory-api-handlers-missing-ownership-checks
More from voltagent
3.1
CVE-2026-13511
VoltAgent Memory REST API memory.handlers.ts handleGetMemoryConversation improper authorization