{"id":"GHSA-fhrq-3gmx-p879","aliases":["CVE-2026-44793"],"title":"OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"LOW","description":"## 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.","severity":"low","score":2.3,"published":"2026-06-22T20:39:06.000Z","modified":"2026-10-28T15:45:09.850Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Maven","name":"org.openidentityplatform.openam:openam-federation-library","sources":[{"name":"OSV · GHSA-fhrq-3gmx-p879","url":"https://osv.dev/vulnerability/GHSA-fhrq-3gmx-p879"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"16.1.1"}],"type":"ECOSYSTEM"}],"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"],"fixed":["16.1.1"]}],"sourceAffected":[],"references":["https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fhrq-3gmx-p879","https://nvd.nist.gov/vuln/detail/CVE-2026-44793","https://github.com/OpenIdentityPlatform/OpenAM/commit/2f5e9bf4c28a4c9e97ded6ebd75e4e1ec241c894","https://github.com/OpenIdentityPlatform/OpenAM","https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1"],"sources":[{"name":"OSV","id":"GHSA-fhrq-3gmx-p879","modified":"2026-10-28T15:45:09.850390472Z","url":"https://osv.dev/vulnerability/GHSA-fhrq-3gmx-p879"}],"assessments":[{"source":"OSV","vector":"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","score":2.3}],"products":[],"remediation":[],"observedAt":"2026-10-29T15:04:33.334Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T05:05:31.892Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}