CVE-2026-90945

Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

Published Sep 14, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Crawlab-team
Crawlab-team crawlab
Vendors & Products Crawlab-team
Crawlab-team crawlab
Type Values Removed Values Added
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.
Title Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:22 PM
Reserved
Sep 14, 2026, 11:34 AM
Status
Deferred
Published
Sep 14, 2026, 6:20 PM
Modified
Sep 23, 2026, 5:17 PM