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.
Severity (CVSS)
| Base score | 2.3 |
|---|---|
| Severity | Low |
| Version | CVSS 4.0 |
| 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 |
| Provided by | CNA |
Weaknesses
- CWE-662 — Improper Synchronization
Affected products
| Vendor | Product | 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
- https://vuldb.com/vuln/374486 (vdb-entry technical-description)
- https://vuldb.com/vuln/374486/cti (signature permissions-required)
- https://vuldb.com/cve/CVE-2026-13489 (third-party-advisory)
- https://vuldb.com/submit/838198 (third-party-advisory)
- https://github.com/78/xiaozhi-esp32/issues/2020 (exploit issue-tracking)
- https://github.com/78/xiaozhi-esp32/pull/2021 (issue-tracking patch)
- https://github.com/78/xiaozhi-esp32/ (product)
Generated from the official CVE List on 29 Jun 2026 07:08 UTC.