3.1
CVE-2026-8741
- EPSS 0.28%
- Veröffentlicht 17.05.2026 08:15:08
- Zuletzt bearbeitet 20.05.2026 23:02:12
- Quelle cna@vuldb.com
- CVE-Watchlists
- Unerledigt
LoginEMQX QoS 2 PUBLISH Packet emqx_persistent_session_ds.erl race condition
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.28% | 0.197 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| cna@vuldb.com | 3.1 | 1.6 | 1.4 |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
|
| cna@vuldb.com | 1.3 | 0 | 0 |
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
|
| cna@vuldb.com | 2.1 | 3.9 | 2.9 |
AV:N/AC:H/Au:S/C:N/I:N/A:P
|
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
https://vuldb.com/vuln/364329
https://vuldb.com/vuln/364329/cti
https://vuldb.com/submit/809931
https://github.com/Pathfind-tama/Report_EMQX_MQTT
https://github.com/Pathfind-tama/Report_EMQX_MQTT/blob/main/MQTT%20QoS%202%20Message%20Duplication%20in%20Persistent%20Sessions.md