Vulnerability in Jenkins Project Webhook Secret Credentials Provider Plugin
CVE-2026-70437
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.
EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- jenkinsci-cert@googlegroups.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-70437?
- CVE-2026-70437 is a low-severity vulnerability in Jenkins Project Webhook Secret Credentials Provider Plugin, classified under CWE-208. CVSS score: 3.7/10. Published 2026-08-05.
- How severe is CVE-2026-70437?
- Low severity. CVSS v3 base score is 3.7 out of 10.