Remnawave Backend is the backend for the Remnawave proxy and user management solution. Prior to 2.7.5, a glitch in the HWID device registration logic allows an authenticated user to bypass the configured limit for HWID devices and register more devices than expected, allowing them to resell subscriptions and consume excessive traffic. This vulnerability is fixed in 2.7.5.
History

Fri, 17 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Remnawave remnawave Backend
CPEs cpe:2.3:a:remnawave:remnawave_backend:*:*:*:*:*:*:*:*
Vendors & Products Remnawave remnawave Backend

Fri, 10 Apr 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 09 Apr 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Remnawave
Remnawave backend
Vendors & Products Remnawave
Remnawave backend

Wed, 08 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
Description Remnawave Backend is the backend for the Remnawave proxy and user management solution. Prior to 2.7.5, a glitch in the HWID device registration logic allows an authenticated user to bypass the configured limit for HWID devices and register more devices than expected, allowing them to resell subscriptions and consume excessive traffic. This vulnerability is fixed in 2.7.5.
Title Remnawave Backend has a race condition in HWID device limit allows bypassing max devices
Weaknesses CWE-362
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-04-08T20:01:21.673Z

Updated: 2026-04-10T20:48:07.233Z

Reserved: 2026-04-07T20:32:03.010Z

Link: CVE-2026-39880

cve-icon Vulnrichment

Updated: 2026-04-10T20:48:02.960Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-08T20:16:26.850

Modified: 2026-04-17T20:38:20.587

Link: CVE-2026-39880

cve-icon Redhat

No data.