CVE-2026-8741 – EMQX QoS 2 PUBLISH Packet emqx_persistent_session_ds.erl race condition

CVE ID :CVE-2026-8741

Published : May 17, 2026, 8:15 a.m. | 45 minutes ago

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.

Severity: 0.0 | NA

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