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CVE-2026-39880

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CVE-2026-39880

Published: Apr 8, 2026

Modified: Apr 10, 2026

PUBLISHED

CVSS v3.1

5.0

MEDIUM

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.

VendorProductVersions

remnawave

backend

affected
< 2.7.5

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

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