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MEDIUM severity

CVE-2018-1999041 — tinfoil-scan

MEDIUMFix: jenkinsci/tinfoil-scan-plugin@26b3944

CVE-2018-1999041 is a medium-severity (CVSS 5.5) Information Exposure vulnerability in com.tinfoilsecurity.plugins:tinfoil-scan. A fix is available for com.tinfoilsecurity.plugins:tinfoil-scan — see the affected versions and patch details below.

Exposure of sensitive information vulnerability

Also known asGHSA-68qx-whxm-h4c4
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs32th percentile — riskier than 32% of all scored CVEsHighest risk
0.00%0.29%0.59%0.88%0.0%0.4%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
☕com.tinfoilsecurity.plugins:tinfoil-scan

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

An exposure of sensitive information vulnerability exists in Jenkins Tinfoil Security Plugin 1.6.1 and earlier in TinfoilScanRecorder.java that allows attackers with file system access to the Jenkins master to obtain the API secret key stored in this plugin's configuration.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.tinfoilsecurity.plugins:tinfoil-scanall versions2.0com.tinfoilsecurity.plugins:tinfoil-scan:2.0

Affected Products

1 product · 1 configurations
Application
tinfoil securityjenkins
≤ 1.6.1
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 com.tinfoilsecurity.plugins:tinfoil-scan, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.tinfoilsecurity.plugins:tinfoil-scan to 2.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1999041 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

An exposure of sensitive information vulnerability exists in Jenkins Tinfoil Security Plugin 1.6.1 and earlier in TinfoilScanRecorder.java that allows attackers with file system access to the Jenkins master to obtain the API secret key stored in this plugin's configuration.
O3 Security · Impact-Aware SCA

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CVE-2018-1999041: tinfoil-scan — Fixed in 2.0