CVE-2018-1000861
Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability
- Published
- Dec 10, 2018
- Updated
- Oct 21, 2025
- Assigning CNA
- mitre
- Evidence observed
- Feb 10, 2022
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.
Sources
4- awesome-jenkins-rce-2019Exploit
There is no pre-auth RCE in Jenkins since May 2017, but this is the one!
- CVE-2018-1000861Exploit
CVE-2018-1000861 Exploit
- CVE-2019-1003000_RCE-DETECTIONDetection
A C# module to detect if a Jenkins server is vulnerable to the RCE vulnerability found in CVE-2019-1003000 (chained with CVE-2018-1000861 for pre-auth RCE)
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