CVE-2026-13489
78 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-662 |
| Vendor | 78 |
| Product | xiaozhi-esp32 |
| Published | Jun 28, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
78 / xiaozhi-esp32
2.2.0 2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.2.6
References
vuldb.com: https://vuldb.com/vuln/374486 vuldb.com: https://vuldb.com/vuln/374486/cti vuldb.com: https://vuldb.com/cve/CVE-2026-13489 vuldb.com: https://vuldb.com/submit/838198 github.com: https://github.com/78/xiaozhi-esp32/issues/2020 github.com: https://github.com/78/xiaozhi-esp32/pull/2021 github.com: https://github.com/78/xiaozhi-esp32/
Credits
🔍 dem0000 (VulDB User) VulDB CNA Team