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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/crawlab-team/crawlab/issues/1622 (issue-tracking)
- github.com/crawlab-team/crawlab (product)
- github.com/crawlab-team/crawlab/blob/0485310def8b4f31ea20997846a8d5e7dfc681e5/c… (technical-description)
- github.com/crawlab-team/crawlab-core/blob/main/user/service.go (technical-description)
- www.vulncheck.com/advisories/crawlab-through-0.6.3-authentication-bypass-via-ha… (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.