How severe is GHSA-qf38-f2fr-q4x9?

GHSA-qf38-f2fr-q4x9 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by GHSA-qf38-f2fr-q4x9?

GHSA-qf38-f2fr-q4x9 affects the following packages: org.jenkins-ci.main:jenkins-core (Maven), org.jenkins-ci.main:jenkins-core (Maven). Ecosystems affected: Maven.

How do I fix GHSA-qf38-f2fr-q4x9?

Update org.jenkins-ci.main:jenkins-core to version 2.121.2 or later. Run your dependency manager's update command and verify no transitive dependencies pin the vulnerable version. Use O3 Security's SCA scanner to confirm the fix is applied across your entire dependency tree.

Is GHSA-qf38-f2fr-q4x9 actively exploited in the wild?

Yes. There are 5 known exploit references for GHSA-qf38-f2fr-q4x9, including 1 documented proof-of-concept exploit on Exploit-DB and 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for GHSA-qf38-f2fr-q4x9?

GHSA-qf38-f2fr-q4x9 has an EPSS (Exploit Prediction Scoring System) score of 93.7%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

When was GHSA-qf38-f2fr-q4x9 published, and has it been updated?

GHSA-qf38-f2fr-q4x9 was published on May 13, 2022 and was last updated on February 19, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕ Maven

GHSA-qf38-f2fr-q4x9

HIGH

Improper Input Validation in Jenkins

Also known asCVE-2018-1999002

Published

May 13, 2022

Updated

Feb 19, 2024

Affected

2 pkgs

Patched

2 / 2

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

93.7%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

2 pkgs affected

☕org.jenkins-ci.main:jenkins-core☕org.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

A arbitrary file read vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers to send crafted HTTP requests returning the contents of any file on the Jenkins master file system that the Jenkins master has access to.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.jenkins-ci.main:jenkins-core`	all versions	2.121.2
☕Maven	`org.jenkins-ci.main:jenkins-core`	≥ 2.122&&< 2.132	2.132

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46453webappsjava

Jenkins Plugin Script Security 1.49/Declarative 1.3.4/Groovy 2.60 - Remote Code Execution

by wetw0rk · Feb 25, 2019

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is GHSA-qf38-f2fr-q4x9 in your stack?

O3 detects GHSA-qf38-f2fr-q4x9 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works