{"cve":"CVE-2018-14637","nvd":{"published":"2018-11-30T13:29:00.190","modified":"2026-06-17T01:41:20.923","status":"Modified","description":"The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-287","CWE-285"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637"],"products":["redhat:keycloak"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-14637","score":0.00814,"percentile":0.57048,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gf2j-7qwg-4f5x","url":"https://osv.dev/vulnerability/GHSA-gf2j-7qwg-4f5x","summary":"Improper Authentication in Keycloak","modified":"2023-11-08T03:59:56.074377Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","purl":"pkg:maven/org.keycloak/keycloak-core","ranges":["<4.6.0"],"fixed":["4.6.0"]}]}],"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."]}