Jenkins Assembla merge request builder Plugin missing authentication to access endpoint
Jenkins Assembla merge request builder Plugin provides a webhook endpoint at /assembla-webhook/ that can be used to trigger builds of jobs configured to use a specified repository.
In Assembla merge request builder Plugin 1.1.13 and earlier, this endpoint can be accessed without authentication. This allows unauthenticated attackers to trigger builds of jobs corresponding to the attacker-specified repository.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:assembla-merge-request-builder | <= 1.1.13 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-862- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:assembla-merge-request-builder- Disclosed
- 12.04.2023
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jr86-6j4j-mv45 - CC BY 4.0
Vulnerability history: org.jenkins-ci.plugins:assembla-merge-request-builder
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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