Missing Authorization in Jenkins Mercurial Plugin
Mercurial Plugin prior to 2.12, 2.10.1, 2.9.1, and 2.8.1 does not perform a permission check in an HTTP endpoint.
This allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations.
Mercurial Plugin 2.12, 2.10.1, 2.9.1, and 2.8.1 performs permission checks when listing configured Mercurial installations.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:mercurial | >= 2.11, < 2.12, >= 2.10, < 2.10.1, >= 2.9, < 2.9.1, < 2.8.1 | 2.12, 2.10.1, 2.9.1, 2.8.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-2306
- https://github.com/jenkinsci/mercurial-plugin/commit/edd59db1eec7e3c8d467372cd8417ae65eeb29dd
- https://github.com/CVEProject/cvelist/blob/381fe967666a5ce01625a7a050427aa4757e3ca6/2020/2xxx/CVE-2020-2306.json
- https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2104
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-862- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:mercurial- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vrrc-3wwh-frgx - CC BY 4.0
Vulnerability history: org.jenkins-ci.plugins:mercurial
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
- 7
- First → latest
- 05.2022 10.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 4
- Low 2
Disclosures per year
- 2022: 7
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Missing Authorization in Jenkins Mercurial Plugin this entry
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