Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison
Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier does not use a constant-time comparison when checking whether the provided and expected webhook token are equal.
This could potentially allow attackers to use statistical methods to obtain a valid webhook token.
As of publication of this advisory, there is no fix.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | igalg.jenkins.plugins:multibranch-scan-webhook-trigger | <= 1.0.9 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-208, CWE-697- Platform
- Java / Kotlin (Maven)
- Package
igalg.jenkins.plugins:multibranch-scan-webhook-trigger- Disclosed
- 25.10.2023
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-8859-v9jp-cphf - CC BY 4.0
Vulnerability history: igalg.jenkins.plugins:multibranch-scan-webhook-trigger
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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