Medium severity5.0NVD Advisory· Published Apr 8, 2026· Updated Apr 17, 2026
CVE-2026-39880
CVE-2026-39880
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.
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Affected products
2cpe:2.3:a:remnawave:remnawave_backend:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:remnawave:remnawave_backend:*:*:*:*:*:*:*:*range: <=2.7.4
- (no CPE)range: <2.7.5
Patches
Vulnerability mechanics
References
1- github.com/remnawave/backend/security/advisories/GHSA-985p-44h5-v3pqnvdExploitVendor Advisory
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