OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`
## Summary Certain 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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-44793US | — | — | ||
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, certain federation endpoints in a non-default clustered configuration inconsistently encode user-… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/OpenIdentityPlatform/OpenAMPACKAGE
- https://github.com/OpenIdentityPlatform/OpenAM/commit/2f5e9bf4c28a4c9e97ded6ebd75e4e1ec241c894WEB
- https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1WEB
- https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fhrq-3gmx-p879WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-44793ADVISORY
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