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Vulnerability record · CVE-2026-90945 · published 14 September 2026

CVE-2026-90945: Crawlab through 0.6.3 uses a hard-coded HMAC-SHA256 secret for JWT token signing that cannot be overridden via…

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.

9.3 CVSS 4.0 Critical EPSS 0.77% · top 46.4% CWE-321 · CWE-321 Deferred
9.3CVSS 4.0 base score
0.77%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
23 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-90945), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.