Is CVE-2026-13511 in the CISA KEV catalog?

No. CVE-2026-13511 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-13511?

CVE-2026-13511 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2026-13511?

CVE-2026-13511 has an EPSS score of 0.22% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-13511?

No published fix for CVE-2026-13511 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-13511

LOW

3.1

CVSS v3

NVD

Description

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.

CWE-266 CWE-285

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.22%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Other references7

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-29.