{"cve":"CVE-2016-8609","nvd":{"published":"2018-08-01T17:29:00.253","modified":"2026-06-17T00:54:35.777","status":"Modified","description":"It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","score":8.1},"cwes":["CWE-287","CWE-384"],"references":["http://rhn.redhat.com/errata/RHSA-2016-2945.html","http://www.securityfocus.com/bid/95070","http://www.securitytracker.com/id/1037460","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8609","http://rhn.redhat.com/errata/RHSA-2016-2945.html"],"products":["redhat:keycloak"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2016-8609","score":0.01679,"percentile":0.76926,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-95m6-mjh3-58gm","url":"https://osv.dev/vulnerability/GHSA-95m6-mjh3-58gm","summary":"Improper Authentication in org.keycloak:keycloak-core","modified":"2023-11-08T03:58:36.220777Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","purl":"pkg:maven/org.keycloak/keycloak-core","ranges":["<2.3.0"],"fixed":["2.3.0"]}]}],"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."]}