How severe is CVE-2026-13511?

CVE-2026-13511 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-13511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-13511?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-13511 published?

CVE-2026-13511 was published on 2026-06-28 and last updated on 2026-06-29.

CVE-2026-13511

CVE-2026-13511 is a low-severity vulnerability with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 2.1
CVSS v4: 1.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-266
Published: 2026-06-28
Last modified: 2026-06-29

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-13511?: CVE-2026-13511 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-13511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-13511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13511 published?: CVE-2026-13511 was published on 2026-06-28 and last updated on 2026-06-29.

References

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