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  5. CVE-2018-1000861

CVE-2018-1000861: Deserialization of Untrusted Data in Jenkins

May 13, 2022 (updated October 22, 2025)

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.

References

  • access.redhat.com/errata/RHBA-2019:0024
  • github.com/advisories/GHSA-hhpm-5cp2-hg4x
  • github.com/jenkinsci/jenkins/commit/47f38d714c99e1841fb737ad1005618eb26ed852
  • jenkins.io/security/advisory/2018-12-05/
  • nvd.nist.gov/vuln/detail/CVE-2018-1000861
  • www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-1000861

Code Behaviors & Features

Detect and mitigate CVE-2018-1000861 with GitLab Dependency Scanning

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Affected versions

All versions before 2.138.4, all versions starting from 2.140 before 2.154

Fixed versions

  • 2.138.4
  • 2.154

Solution

Upgrade to versions 2.138.4, 2.154 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

maven/org.jenkins-ci.main/jenkins-core/CVE-2018-1000861.yml

Spotted a mistake? Edit the file on GitLab.

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