{"action":"Upgrade org.keycloak:keycloak-services to 26.6.4 or later.","affected":[{"fixed":"26.6.4","introduced":"0"}],"component":"org.keycloak:keycloak-services","cve_ids":["CVE-2026-9086"],"ecosystem":"Maven","epss":0.00781,"exploited":false,"fixed_versions":["26.6.4"],"ghsa_id":"GHSA-v3f7-2p4r-mwfw","id":"tcs_01M6495RMJXMF2ECCZKEXM9ADB","modified_at":"2026-10-29T16:56:09.997771439Z","published_at":"2026-10-29T16:39:03Z","references":["https://osv.dev/vulnerability/GHSA-v3f7-2p4r-mwfw","https://github.com/keycloak/keycloak/security/advisories/GHSA-v3f7-2p4r-mwfw","https://nvd.nist.gov/vuln/detail/CVE-2026-9086","https://access.redhat.com/errata/RHSA-2026:30049","https://access.redhat.com/errata/RHSA-2026:30050","https://access.redhat.com/errata/RHSA-2026:30083","https://access.redhat.com/errata/RHSA-2026:30084","https://access.redhat.com/security/cve/CVE-2026-9086","https://bugzilla.redhat.com/show_bug.cgi?id=2480170","https://github.com/keycloak/keycloak","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9086.json"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"GHSA-v3f7-2p4r-mwfw","url":"https://osv.dev/vulnerability/GHSA-v3f7-2p4r-mwfw"}],"summary":"Keycloak vulnerable to cross-site scripting (xss) via case-insensitive uri validation bypass"}