Intel

AIKIDO-2026-10794

github.com/netbirdio/netbird is vulnerable to Authentication bypass

Authentication bypass Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published May 11, 2026

88

High Risk

This Affects:

GOgithub.com/netbirdio/netbird
0.55.0 - 0.70.2
Fixed in 0.70.3
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TL;DR

JWTs used for peer login could be replayed/reused to authenticate multiple times. The fix adds server-side usage tracking (session store) so each login JWT is “claimed” during validation and subsequent reuse (or missing/expired exp) is rejected.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

github.com/netbirdio/netbird is vulnerable to Authentication bypass in versions 0.55.0 - 0.70.2.

How to fix this

Upgrade the github.com/netbirdio/netbird library to the patch version.

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