{"schema":"threatline.record/2","record":{"id":"CVE-2026-44793","aliases":["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.","categories":["Libraries & packages"],"product":"org.openidentityplatform.openam:openam-federation-library","vendor":"OpenIdentityPlatform","ecosystem":"maven","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-fhrq-3gmx-p879","source_modified_at":"2026-10-28T15:27:54Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"ecosystem":"maven","name":"org.openidentityplatform.openam:openam-federation-library"},"range":"< 16.1.1"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-44793","source_modified_at":"2026-09-15T13:53:25.764Z","fetched_at":"2026-10-28T15:55:58.673066Z","product":"OpenAM","vendor":"OpenIdentityPlatform","versions":[{"version":"< 16.1.1","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-fhrq-3gmx-p879","source_modified_at":"2026-10-28T15:45:09.850390472Z","fetched_at":"2026-10-28T15:55:58.673066Z","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"]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-fhrq-3gmx-p879","source_modified_at":"2026-10-28T15:27:54Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"ecosystem":"maven","name":"org.openidentityplatform.openam:openam-federation-library"},"version":"16.1.1"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-fhrq-3gmx-p879","source_modified_at":"2026-10-28T15:45:09.850390472Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"name":"org.openidentityplatform.openam:openam-federation-library","ecosystem":"Maven","purl":"pkg:maven/org.openidentityplatform.openam/openam-federation-library"},"version":"16.1.1"}],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00593,"percentile":0.48222,"score_date":"2026-10-28"},"published_at":"2026-09-15T09:42:18.153Z","modified_at":"2026-10-28T15:45:09.850390472Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-fhrq-3gmx-p879","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-10-28T15:27:54Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-44793","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-09-15T13:53:25.764Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-fhrq-3gmx-p879","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-10-28T15:45:09.850390472Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-44793","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-10-28"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fhrq-3gmx-p879","tags":["x_refsource_CONFIRM"]},{"source":"CVE List","url":"https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1","tags":["x_refsource_MISC"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44793","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/OpenIdentityPlatform/OpenAM/commit/2f5e9bf4c28a4c9e97ded6ebd75e4e1ec241c894","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-fhrq-3gmx-p879","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-15T13:25:14.402839Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-28T15:45:09.850390472Z","content_hash":"ac659c4d25b74f38f81e5a5079dd1081da68630d2b517b3a8f5cd53aa4f3027b"}}