CVE-2026-8741

3.1 LOW
Published: May 17, 2026 Modified: May 20, 2026
View on NVD

Description

A vulnerability has been found in EMQX up to 6.2.0. This affects an unknown function of the file apps/emqx/src/emqx_persistent_session_ds.erl of the component QoS 2 PUBLISH Packet Handler. Such manipulation leads to race condition. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/Pathfind-tama/Report_EMQX_MQTT
Source: cna@vuldb.com
Third Party Advisory
https://vuldb.com/submit/809931
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364329
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364329/cti
Source: cna@vuldb.com
Permissions Required VDB Entry

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.1 / 10.0
EPSS (Exploit Probability)
0.0%
16th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

emqx