CVE-2026-90945 Crawlab - Authentication Bypass

Crawlab <= 0.6.3 contains a broken authentication caused by hard-coded HMAC-SHA256 secret for JWT token signing, letting unauthenticated attackers forge admin tokens to access APIs and execute code on worker nodes, exploit requires no special privileges.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.77% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Remote Code Execution, Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-321

Vendor fix

Update to a version later than 0.6.3 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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