CVE-2026-90945: Crawlab-Team Crawlab

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

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.

Affected products

• Crawlab-Team Crawlab: up to and including 0.6.3

Published 2026-09-14. Last modified 2026-09-23.