{"cve":"CVE-2022-1466","nvd":{"published":"2022-04-26T19:15:49.660","modified":"2026-06-17T04:22:30.207","status":"Modified","description":"Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be allowed to perform. It was possible to add users to the master realm even though no respective permission was granted.","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:H/A:N","score":6.5},"cwes":["CWE-863"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2050228","https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt","https://www.syss.de/pentest-blog/fehlerhafte-autorisierung-bei-red-hat-single-sign-on-750ga-syss-2021-076","https://bugzilla.redhat.com/show_bug.cgi?id=2050228","https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt"],"products":["redhat:keycloak","redhat:single_sign-on"],"source":"nvd","synced_at":"2026-10-19T21:30:03.577988018+00:00"},"epss":{"cve":"CVE-2022-1466","score":0.01104,"percentile":0.65759,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f32v-vf79-p29q","url":"https://osv.dev/vulnerability/GHSA-f32v-vf79-p29q","summary":"Improper authorization in Keycloak","modified":"2023-11-08T04:07:49.362366Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","purl":"pkg:maven/org.keycloak/keycloak-core","ranges":["<17.0.1"],"fixed":["17.0.1"]}]}],"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."]}