{"id":"CVE-2018-1999042","aliases":["GHSA-28p3-mchr-9frj"],"url":"https://o3.security/vulnerability/CVE-2018-1999042","summary":"Deserialization of Untrusted Data in Jenkins","details":"A vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in XStream2.java that allows attackers to have Jenkins resolve a domain name when deserializing an instance of java.net.URL.","published":"2018-08-23T18:29:00.467Z","modified":"2026-07-08T16:40:16.376864Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.121.3"},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.138"}],"fix":{"url":"https://github.com/jenkinsci/jenkins/commit/727d58f690abf64f543407e1de3545eca76ad30e","label":"jenkinsci/jenkins@727d58f"},"references":[{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2018-08-15/#SECURITY-637"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1999042"},{"type":"WEB","url":"https://github.com/jenkinsci/jenkins/commit/727d58f690abf64f543407e1de3545eca76ad30e"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/jenkins"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:40:16.376864Z"}}