GHSA-45rg-g72w-r393
HIGHJenkins allows Deserialization of Untrusted Data via an XML File
EPSS Exploitation Probability
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
org.jenkins-ci.main:jenkins-core☕org.jenkins-ci.main:jenkins-coreReal-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
Multiple unspecified API endpoints in Jenkins before 1.650 and LTS before 1.642.2 allow remote authenticated users to execute arbitrary code via serialized data in an XML file, related to XStream and groovy.util.Expando.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.jenkins-ci.main:jenkins-core | ≥ 1.643&&< 1.650 | 1.650 |
| ☕Maven | org.jenkins-ci.main:jenkins-core | all versions | 1.642.2 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Jenkins < 1.650 - Java Deserialization
by Janusz Piechówka · Jul 30, 2017
Jenkins - XStream Groovy classpath Deserialization (Metasploit)
by Metasploit · Dec 19, 2017
Frequently Asked Questions
Is GHSA-45rg-g72w-r393 in your stack?
O3 detects GHSA-45rg-g72w-r393 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.