CVE-2026-13489 LOW

CVE-2026-13489: 78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization

Vendor 78
Product xiaozhi-esp32
Weakness CWE-662
Published June 28, 2026
Last update June 29, 2026

CVSS base score

2.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A weakness has been identified in 78 xiaozhi-esp32 up to 2.2.6. Affected by this issue is the function ParseMessage of the file main/mcp_server.cc of the component MCP Response Handler. This manipulation causes improper synchronization. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

Key dates

02Disclosure timeline

June 28, 2026 CVE published
June 29, 2026 Record updated