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Vulnerability · Published Jun 28, 2026 · Assigned by VulDB

CVE-2026-1348978 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization

Low 3.1

In plain English

A low-severity security flaw in xiaozhi-esp32 from 78. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.3%top 71.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
78 xiaozhi-esp32 2.2.02.2.12.2.22.2.32.2.42.2.52.2.6

Weakness: CWE-662 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References