CVEvulnerability
CVE-2026-13491
2.9 LOW
Official page ↗
- Status
- Deferred
- Published
- 2026-06-28
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.9 LOW — CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
Description
A vulnerability was detected in 78 xiaozhi-esp32 up to 2.2.6. This vulnerability affects the function Application::GetInstance of the file main/protocols/mqtt_protocol.cc of the component MQTT Goodbye Handler. Performing a manipulation of the argument session_id results in denial of service. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is stated that the exploitability is difficult. The exploit is now public and may be used. The patch is named e182471f8c5a22434346bd98da34d3b66c8c8b3e. It is recommended to apply a patch to fix this issue.
Related
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- https://github.com/78/xiaozhi-esp32/ github.com
- https://github.com/78/xiaozhi-esp32/commit/e182471f8c5a22434346bd98da34d3b66c8c8b3e github.com
- https://github.com/78/xiaozhi-esp32/issues/2022 github.com
- https://github.com/78/xiaozhi-esp32/pull/2023 github.com
- https://vuldb.com/cve/CVE-2026-13491 vuldb.com
- https://vuldb.com/submit/838439 vuldb.com
- https://vuldb.com/vuln/374488 vuldb.com
- https://vuldb.com/vuln/374488/cti vuldb.com