Auth bypass in Voltagent
CVE-2026-13511
A vulnerability was determined in VoltAgent up to 2.1.17. Affected by this issue is the function handleGetMemoryConversation of the file packages/server-core/src/handlers/memory.handlers.ts of the component Memory REST API. Executing a manipulation of the argument conversationId can lead to improper authorization. The attack may be performed from remote. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Voltagent — versions 2.1.0, 2.1.1, 2.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/374519 (technical-description, vdb-entry)
- vuldb.com/vuln/374519/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-13511 (third-party-advisory)
- vuldb.com/submit/838873 (third-party-advisory)
- github.com/VoltAgent/voltagent/issues/1315 (issue-tracking, exploit)
- github.com/VoltAgent/voltagent/pull/1317 (issue-tracking, patch)
- github.com/VoltAgent/voltagent/ (product)
Frequently asked questions
- What is CVE-2026-13511?
- CVE-2026-13511 is a low-severity vulnerability in Voltagent, classified under Incorrect Privilege Assignment. CVSS score: 3.1/10. Published 2026-06-28.
- How severe is CVE-2026-13511?
- Low severity. CVSS v3 base score is 3.1 out of 10.