CVE-2026-90945 CRITICAL

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

Vendor Crawlab-Team
Product crawlab
Weakness CWE-321
Published September 14, 2026
Last update September 14, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 14, 2026 CVE published