{"cve":"CVE-2018-1000863","nvd":{"published":"2018-12-10T14:29:01.510","modified":"2026-06-17T01:33:12.210","status":"Modified","description":"A data modification vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in User.java, IdStrategy.java that allows attackers to submit crafted user names that can cause an improper migration of user record storage formats, potentially preventing the victim from logging into Jenkins.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","score":8.2},"cwes":["CWE-22"],"references":["http://www.securityfocus.com/bid/106176","https://access.redhat.com/errata/RHBA-2019:0024","https://jenkins.io/security/advisory/2018-12-05/#SECURITY-1072","https://www.tenable.com/security/research/tra-2018-43","http://www.securityfocus.com/bid/106176"],"products":["jenkins:jenkins","redhat:openshift_container_platform"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-1000863","score":0.06762,"percentile":0.93975,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4jhm-5f7g-75fp","url":"https://osv.dev/vulnerability/GHSA-4jhm-5f7g-75fp","summary":"Improper Limitation of a Pathname to a Restricted Directory in Jenkins","modified":"2024-02-16T08:06:21.174315Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":["<2.138.4"],"fixed":["2.138.4"]},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":[">=2.140 <2.154"],"fixed":["2.154"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}