CVE-2026-1348978 xiaozhi-esp32 MCP Response mcp_server.cc ParseMessage improper synchronization
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It affects 78 xiaozhi-esp32. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 3.1 LOW (v3.1, CNA)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
- Weakness (CWE)
- CWE-662
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Jun 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
78 xiaozhi-esp32 78:xiaozhi-esp32 | 2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.5; 2.2.6 | CNA record |
References
- https://vuldb.com/vuln/374486vdb-entry, technical-description
- https://vuldb.com/vuln/374486/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-13489third-party-advisory
- https://vuldb.com/submit/838198third-party-advisory
- https://github.com/78/xiaozhi-esp32/issues/2020exploit, issue-tracking
- https://github.com/78/xiaozhi-esp32/pull/2021issue-tracking, patch
- https://github.com/78/xiaozhi-esp32/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.