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CVE-2026-90945

Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

CRITICAL
9.8
CVSS Score
Published: September 14, 2026 at 05:52 PM UTC
Updated: September 23, 2026 at 05:30 PM UTC
1 product affected across 1 vendorCrawlab

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Crawlab· Crawlab
60%
v ≤ 0.6.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Issue Tracking
Source: cverecord
https://github.com/crawlab-team/crawlab/issues/1622
Product
Source: cverecord
https://github.com/crawlab-team/crawlab
Technical Description
Source: cverecord
https://github.com/crawlab-team/crawlab/blob/0485310def8b4f31ea20997846a8d5e7dfc681e5/core/user/service_v2.go
Technical Description
Source: cverecord
https://github.com/crawlab-team/crawlab-core/blob/main/user/service.go
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/crawlab-through-0.6.3-authentication-bypass-via-hard-coded-jwt-secret

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-321

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