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CVE-2026-13491

LOW
3.7
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-13491
State
PUBLISHED
Assigner
VulDB
Reserved
2026-06-27 16:04 UTC
Published
2026-06-28 11:15 UTC
Last updated
2026-06-28 11:15 UTC
Primary CWE
CWE-404
Denial of Service
Vendor / Product
78 / xiaozhi-esp32
Sources
cve.org  ·  NVD

Severity & Metrics

3.7 LOW CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Affected products (1)
VendorProductPlatformVersions
78 xiaozhi-esp32 — 2.2.0, 2.2.1, 2.2.2, 2.2.3 …
Weakness (CWE)
CWESourceDescription
CWE-404 cna Denial of Service
CVSS scores (4)
ScoreSeverityVersionSourceVector
6.3 MEDIUM 4.0 cna 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
3.7 LOW 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.7 LOW 3.0 cna CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.6 N/D 2.0 cna AV:N/AC:H/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
References (8)
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