PT-2026-33827 · Nanomq · Nanomq

Published 2026-04-20 · Updated 2026-05-02 · CVE-2026-32135

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions NanoMQ MQTT Broker versions prior to 0.24.11

Description A remotely triggerable heap buffer overflow exists in the uri param parse() function of the REST API. This issue is caused by an off-by-one error during memory allocation for query parameter keys and values, which allows an attacker to write a null byte beyond the allocated buffer via a crafted HTTP request.

Recommendations Update to version 0.24.11.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-32135

Affected Products

Nanomq

References · 7

• https://github.com/nanomq/nanomq/security/advisories/GHSA-6w96-9qw7-m599 · Vendor Advisory
• https://github.com/nanomq/nanomq/commit/69a97b3b39cc218f044f1c8896f4d3d8757bb394 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-32135 · Security Note
• https://github.com/nanomq/nanomq/issues/2247 · Note
• https://twitter.com/vuldb/status/2046358805072781729 · Twitter Post
• https://twitter.com/CVEnew/status/2046571907500445791 · Twitter Post
• https://twitter.com/fatihclk01/status/2050511173276066175 · Twitter Post