What is CVE-2026-90945?

CVE-2026-90945 is a critical-severity vulnerability in Crawlab-Team Crawlab, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2026-09-14.

How severe is CVE-2026-90945?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Crawlab-Team Crawlab

CVE-2026-90945

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 v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Crawlab-team Crawlab

Weakness classification (CWE)

CWE-321 — Use of Hard-coded Cryptographic Key

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-90945?: CVE-2026-90945 is a critical-severity vulnerability in Crawlab-Team Crawlab, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2026-09-14.
How severe is CVE-2026-90945?: Critical severity. CVSS v3 base score is 9.8 out of 10.