Vulnerability in Emqx
CVE-2026-8741
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 att…
Vulnerability class: Race Condition
EPSS: 0.000 (15.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Emqx
- N/a Emqx — versions 6.0, 6.1, 6.2.0
Weakness classification (CWE)
References
- cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Third Party Advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit, Mitigation)
Frequently asked questions
- What is CVE-2026-8741?
- CVE-2026-8741 is a low-severity vulnerability in Emqx, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 3.1/10. Published 2026-05-17.
- How severe is CVE-2026-8741?
- Low severity. CVSS v3 base score is 3.1 out of 10.