PT-2026-48296 · Halfgaar · Flashmq

Published 2026-06-09 · Updated 2026-06-10 · CVE-2026-46411

Mitre

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.

Fix

Weakness Enumeration

CWE-248

Related Identifiers

CVE-2026-46411

Affected Products

Flashmq

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-46411 · Security Note
• https://github.com/halfgaar/FlashMQ/commit/29e08f7b97b6e3f96db923c2b6a260c47b49c195 · Note
• https://github.com/halfgaar/FlashMQ/releases/tag/v1.26.2 · Note
• https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-g35r-265r-rxrh · Note