{"cve":"CVE-2023-24456","nvd":{"published":"2023-01-26T21:18:18.957","modified":"2026-06-17T05:39:17.593","status":"Modified","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-384"],"references":["https://www.jenkins.io/security/advisory/2023-01-24/#SECURITY-2987","https://www.jenkins.io/security/advisory/2023-01-24/#SECURITY-2987"],"products":["jenkins:keycloak_authentication"],"source":"nvd","synced_at":"2026-10-19T21:37:34.931465858+00:00"},"epss":{"cve":"CVE-2023-24456","score":0.01206,"percentile":0.6832,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9963-gmh8-vvm6","url":"https://osv.dev/vulnerability/GHSA-9963-gmh8-vvm6","summary":"Session fixation vulnerability in Jenkins Keycloak Authentication Plugin","modified":"2024-02-16T08:24:33.294591Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:keycloak","purl":"pkg:maven/org.jenkins-ci.plugins/keycloak","ranges":["<2.3.1"],"fixed":["2.3.1"]}]}],"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."]}