{"id":"GHSA-fhrq-3gmx-p879","summary":"OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`","details":"## Summary\n\nCertain federation endpoints do not consistently apply output encoding when rendering user-supplied parameters into HTML responses. Under a non-default configuration used in some clustered deployments, this inconsistency can result in reflected XSS in the OpenAM origin without authentication.","aliases":["CVE-2026-44793"],"modified":"2026-06-22T20:56:31.072974Z","published":"2026-06-22T20:39:06Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-06-22T20:39:06Z","nvd_published_at":null,"cwe_ids":["CWE-79"],"severity":"LOW"},"references":[{"type":"WEB","url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fhrq-3gmx-p879"},{"type":"PACKAGE","url":"https://github.com/OpenIdentityPlatform/OpenAM"},{"type":"WEB","url":"https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1"}],"affected":[{"package":{"name":"org.openidentityplatform.openam:openam-federation-library","ecosystem":"Maven","purl":"pkg:maven/org.openidentityplatform.openam/openam-federation-library"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.1.1"}]}],"versions":["14.5.2","14.5.3","14.5.4","14.6.1","14.6.2","14.6.3","14.6.4","14.6.5","14.6.6","14.7.0","14.7.1","14.7.2","14.7.3","14.7.4","14.8.1","14.8.2","14.8.3","14.8.4","15.0.0","15.0.1","15.0.2","15.0.3","15.0.4","15.1.0","15.1.1","15.1.2","15.1.3","15.1.4","15.1.5","15.1.6","15.2.0","15.2.1","15.2.2","16.0.1","16.0.2","16.0.3","16.0.4","16.0.5","16.0.6","16.1.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-fhrq-3gmx-p879/GHSA-fhrq-3gmx-p879.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}]}