CVE-2026-13489
78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization
Vexday Risk Score
28Low
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 2.3EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
28 Jun 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
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
Affected products
78 · xiaozhi-esp32public PoCs found — 1
cve_referencegithub.com/78/xiaozhi-esp32/issues/2020unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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