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MEDIUM severity

CVE-2018-1000186 — ghprb

MEDIUMFix: jenkinsci/ghprb-plugin@e78ee24

CVE-2018-1000186 is a medium-severity (CVSS 6.5) Information Exposure vulnerability in org.jenkins-ci.plugins:ghprb. A fix is available for org.jenkins-ci.plugins:ghprb — see the affected versions and patch details below.

Jenkins GitHub Pull Request Builder Plugin credential capture vulnerability

Also known asGHSA-92rv-mvmj-47qh
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs63th percentile — riskier than 63% of all scored CVEsHighest risk
0.00%0.50%0.99%1.49%0.1%1.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:ghprb

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A exposure of sensitive information vulnerability exists in Jenkins GitHub Pull Request Builder Plugin 1.41.0 and older in GhprbGitHubAuth.java that allows attackers with Overall/Read access to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. Additionally, these form validation methods did not require POST requests, resulting in a CSRF vulnerability. As of version 1.42.0, these form validation methods require POST requests and Overall/Administer permissions.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:ghprball versions1.42.0org.jenkins-ci.plugins:ghprb:1.42.0

Affected Products

1 product · 1 configurations
Application
github pull request builderjenkins
≤ 1.41.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:ghprb, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:ghprb to 1.42.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000186 is resolved across your whole dependency graph.

  3. Workarounds

    Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Frequently Asked Questions

A exposure of sensitive information vulnerability exists in Jenkins GitHub Pull Request Builder Plugin 1.41.0 and older in GhprbGitHubAuth.java that allows attackers with Overall/Read access to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. Additionally, these form validation methods did not require POST requests, resulting in a CSRF vulnerability. As of version 1.42.0, these form validation methods require POST requests and Overall/Administer permissions.
O3 Security · Impact-Aware SCA

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CVE-2018-1000186: ghprb CSRF — Fixed in 1.42.0