# CVE-2026-90945

## Summary

- **CVE ID:** CVE-2026-90945
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (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)
- **CWE:** CWE-321
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 16, 2026

## 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 Products

- crawlab-team — crawlab (0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 43.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._