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MEDIUM severity

CVE-2018-1000196 — gitlab-hook

MEDIUM

CVE-2018-1000196 is a medium-severity (CVSS 6.5) Information Exposure vulnerability in org.jenkins-ci.ruby-plugins:gitlab-hook. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Jenkins Gitlab Hook Plugin stores and displays GitLab API token in plain text

Also known asGHSA-7p4p-v6hr-gp3m
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs68th percentile — riskier than 68% of all scored CVEsHighest risk
0.00%0.56%1.12%1.68%0.1%1.2%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.ruby-plugins:gitlab-hook

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 Gitlab Hook Plugin 1.4.2 and older in gitlab_notifier.rb, views/gitlab_notifier/global.erb that allows attackers with local Jenkins master file system access or control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured Gitlab token.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.ruby-plugins:gitlab-hookall versionsNo fix

Affected Products

1 product · 1 configurations
Application
gitlab hookjenkins
≤ 1.4.2
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.ruby-plugins:gitlab-hook, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of org.jenkins-ci.ruby-plugins:gitlab-hook for CVE-2018-1000196. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    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 Gitlab Hook Plugin 1.4.2 and older in gitlab_notifier.rb, views/gitlab_notifier/global.erb that allows attackers with local Jenkins master file system access or control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured Gitlab token.
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CVE-2018-1000196: gitlab-hook (Medium 6.5)