VULNERABILITY INTELLIGENCE
CVE-2026-39880
CVSS score5 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-04-08
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
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.
Weakness classification
- security-advisories@github.com: CWE-362
Primary references
- security-advisories@github.com — Exploit, Vendor Advisory