CVE-2026-70437

Low

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.

SeverityLow

CVSS3.7

Exploit probability—

ProductJenkins Webhook Secret Credentials Provider Plugin

PublishedAug 5, 2026

First seenAug 5, 2026

Weakness typeCWE-208CWE-208

How to fix

Vendor advisories

jenkins.io/security/advisory/2026-08-05/#SECURITY-3918

Affected products

Product	Affected versions	Fixed in
Jenkins Project Jenkins Webhook Secret Credentials Provider Plugin	v ≤ 16.v0cfa_f0215cf5	—

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