{"cve":"CVE-2025-14559","nvd":{"published":"2026-01-21T07:16:00.623","modified":"2026-06-17T08:36:10.327","status":"Deferred","description":"A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a privileged client invokes the token exchange flow.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","score":6.5},"cwes":["CWE-840"],"references":["https://access.redhat.com/errata/RHSA-2026:2365","https://access.redhat.com/errata/RHSA-2026:2366","https://access.redhat.com/security/cve/CVE-2025-14559","https://bugzilla.redhat.com/show_bug.cgi?id=2421711"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2025-14559","score":0.00486,"percentile":0.4188,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wv3h-x6c4-r867","url":"https://osv.dev/vulnerability/GHSA-wv3h-x6c4-r867","summary":"Keycloak services allows the issuance of access and refresh tokens for disabled users","modified":"2026-09-10T03:50:33.786926758Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-services","purl":"pkg:maven/org.keycloak/keycloak-services","ranges":[">=26.5.0 <26.5.2"],"fixed":["26.5.2"]},{"ecosystem":"Maven","name":"org.keycloak:keycloak-services","purl":"pkg:maven/org.keycloak/keycloak-services","ranges":["<26.4.9"],"fixed":["26.4.9"]}]}],"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."]}