CVE-2026-39880Disclosure(remnawave / remnawave_backend)

LOWCVSS 4.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-362

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • remnawave_backend

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
remnawave_backend

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-08: 1Technical Details · 2026-04-08: 104-08
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-39880 Authenticated HWID Device Registration Bypass in Remnawave Backend Below 2.7.5 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-39880

    Post summary

    The CVE details an authenticated bypass of hardware ID device registration in Remnawave backend versions below 2.7.5, with no PoC, exploit code, patch, or active exploitation information disclosed.

    0000041
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appremnawaveremnawave_backend---

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