CVE-2026-13511 VoltAgent CVE debrief

Who should care

Organizations using VoltAgent up to version 2.1.17 should prioritize patching this vulnerability. The vulnerability's low CVSS score of 1.3 may downplay its potential impact, but defenders should still assess their exposure and prepare for potential exploitation attempts. Limited information is available about the vulnerability's exploitation in the wild or associated threat actors.

Technical summary

The CVE-2026-13511 vulnerability affects VoltAgent's Memory REST API, specifically the handleGetMemoryConversation function in memory.handlers.ts. An attacker can manipulate the conversationId argument to exploit improper authorization. The vulnerability has a CVSS score of 1.3 and is considered low severity. However, defenders should note that the attack complexity is high, and exploitation is difficult. A public exploit has been disclosed, increasing the urgency for patching.

Defensive priority

Apply the pending patch for CVE-2026-13511 as soon as possible. Monitor VoltAgent installations for potential exploitation attempts, and consider compensating controls to limit access to the Memory REST API.

Recommended defensive actions

• Apply the pending patch for CVE-2026-13511
• Monitor VoltAgent installations for potential exploitation attempts
• Consider compensating controls to limit access to the Memory REST API
• Review and update incident response plans to address potential exploitation
• Perform thorough inventory checks to identify affected VoltAgent installations

Evidence notes

The CVE-2026-13511 vulnerability was determined in VoltAgent up to version 2.1.17. The vulnerability affects the Memory REST API and has a CVSS score of 1.3. Limited information is available about the vulnerability's impact and affected configurations. A public exploit has been disclosed, and a pull request to fix this issue is pending acceptance.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.