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Maven

CVE-2016-3721

MEDIUM

CVE-2016-3721 is a medium-severity (CVSS 6.5) CWE-17 vulnerability in org.jenkins-ci.main:jenkins-core. O3 Security confirms whether CVE-2016-3721 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Jenkins allows Remote Users to Inject Build Parameters

Also known asGHSA-qf2h-h3xq-j93j
Published
May 17, 2016
Updated
Jul 8, 2026
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed

Blast Radius

2 pkgs affected
org.jenkins-ci.main:jenkins-coreorg.jenkins-ci.main:jenkins-core

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

Jenkins before 2.3 and LTS before 1.651.2 might allow remote authenticated users to inject arbitrary build parameters into the build environment via environment variables.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
Mavenorg.jenkins-ci.main:jenkins-core1.660&&< 2.32.3
Mavenorg.jenkins-ci.main:jenkins-coreall versions1.651.2

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.main:jenkins-core. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update org.jenkins-ci.main:jenkins-core to 2.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-3721 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2016-3721 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2016-3721. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Jenkins before 2.3 and LTS before 1.651.2 might allow remote authenticated users to inject arbitrary build parameters into the build environment via environment variables.
O3 Security · Impact-Aware SCA

Is CVE-2016-3721 in your dependencies?

O3 detects CVE-2016-3721 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.