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
- Oct 17, 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
http/cves/2018/CVE-2018-1000861.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)
jenkins/CVE-2018-1000861
Jenkins Remote Code Execution (CVE-2018-1000861)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/jenkins:2.138(jenkins/CVE-2018-1000861/docker-compose.yml:services.jenkins.image)
modules/exploits/multi/http/jenkins_metaprogramming.rb
Metasploit Framework modulesDeclared conditions
- platform: Java,Unix($.exploit_multi/http/jenkins_metaprogramming.platform)
- verification: check_declared($.exploit_multi/http/jenkins_metaprogramming.check)
Responsible use
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