Description
Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfa_f0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook bearer token.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins Webhook Secret Credentials Provider Plugin | ≤ 16.v0cfa_f0215cf5 | — |
Advisories 1
- WID-SEC-2026-2665 Jenkins Plugins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
References
- Jenkins Security Advisory 2026-08-05 vendor-advisory