Jenkins GitHub Branch Source Plugin vulnerable to Server-Side Request Forgery
A server-side request forgery vulnerability exists in Jenkins GitHub Branch Source Plugin 2.3.4 and older in Endpoint.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL. Additionally, this form validation method did not require POST requests, resulting in a CSRF vulnerability. As of version 23.5, this form validation method requires POST requests and the Overall/Administer permission.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:github-branch-source | < 2.3.5 | 2.3.5 |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-918- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:github-branch-source- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-9cfq-v2hm-c3xr - CC BY 4.0
Vulnerability history: org.jenkins-ci.plugins:github-branch-source
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.
- Total entries
- 5
- First → latest
- 05.2022 06.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 5
Disclosures per year
- 2022: 3
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 2
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Jenkins GitHub Branch Source Plugin vulnerable to Server-Side Request Forgery this entry
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