{"cve":"CVE-2018-1000193","nvd":{"published":"2018-06-05T21:29:00.540","modified":"2026-06-17T01:32:39.010","status":"Modified","description":"A improper neutralization of control sequences vulnerability exists in Jenkins 2.120 and older, LTS 2.107.2 and older in HudsonPrivateSecurityRealm.java that allows users to sign up using user names containing control characters that can then appear to have the same name as other users, and cannot be deleted via the UI.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-74"],"references":["https://jenkins.io/security/advisory/2018-05-09/#SECURITY-786","https://www.oracle.com/security-alerts/cpuapr2022.html","https://jenkins.io/security/advisory/2018-05-09/#SECURITY-786","https://www.oracle.com/security-alerts/cpuapr2022.html"],"products":["jenkins:jenkins","oracle:communications_cloud_native_core_automated_test_suite"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2018-1000193","score":0.01029,"percentile":0.63684,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7592-93rm-6gpx","url":"https://osv.dev/vulnerability/GHSA-7592-93rm-6gpx","summary":"Injection in Jenkins","modified":"2023-11-08T03:59:37.235364Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":["<2.107.3"],"fixed":["2.107.3"]},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":[">=2.108 <2.121"],"fixed":["2.121"]}]}],"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."]}