CVE-2026-90945

CRITICAL 9.8

Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-321
Vendor	crawlab-team
Product	crawlab
Published	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

crawlab-team / crawlab

0 ≤ 0.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/crawlab-team/crawlab/issues/1622 github.com: https://github.com/crawlab-team/crawlab github.com: https://github.com/crawlab-team/crawlab/blob/0485310def8b4f31ea20997846a8d5e7dfc681e5/core/user/service_v2.go github.com: https://github.com/crawlab-team/crawlab-core/blob/main/user/service.go vulncheck.com: https://www.vulncheck.com/advisories/crawlab-through-0.6.3-authentication-bypass-via-hard-coded-jwt-secret

Credits

🔍 George Chen