CVE-2026-90945 PUBLISHED

Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

Assigner: VulnCheck
Reserved: 14.09.2026 Published: 14.09.2026 Updated: 14.09.2026

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.

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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	crawlab-team
Product	crawlab
Versions	Default: unaffected affected from 0 to 0.6.3 (incl.)

CVE-2026-90945 PUBLISHED

Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

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Product Status

Credits

References

Problem Types