CVE-2026-90945 Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

Critical 9.3 Published Updated

Attackers can forge admin tokens using a hard-coded secret to access APIs and execute code on worker nodes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-90945?

CVE-2026-90945 is a critical vulnerability in crawlab-team crawlab, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Crawlab through 0.6.3 uses a hard-coded HMAC-SHA256 secret for JWT token signing that cannot be overridden via configuration or environment variables. Unauthenticated attackers can forge valid administrator tokens to access administrative APIs and execute code on worker nodes.

Weakness: CWE-321

Which versions are affected by CVE-2026-90945?

How do I fix CVE-2026-90945?

No fix has been published for CVE-2026-90945 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-90945 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90945 exists.

Sources

Also known as GHSA-rq87-w7pv-64x4.

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