CVE-2026-8741
3.1 FaibleDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 1.3 Faible | cna@vuldb.com | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 3.1 Faible | cna@vuldb.com | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
| 2.0 | 2.1 Faible | cna@vuldb.com | AV:N/AC:H/Au:S/C:N/I:N/A:P |
Faiblesses (CWE)
Références
- https://github.com/Pathfind-tama/Report_EMQX_MQTT Third Party Advisory
- https://github.com/Pathfind-tama/Report_EMQX_MQTT/blob/main/MQTT%20QoS%202%20Message%20Duplication%20in%20Persistent%20Sessions.md ExploitMitigationThird Party Advisory
- https://vuldb.com/submit/809931 Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/364329 Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/364329/cti Permissions RequiredVDB Entry