All vulnerabilities
CVE-2026-44793GHSA-fhrq-3gmx-p879

OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`

OpenIdentityPlatform org.openidentityplatform.openam:openam-federation-librarymavenLibraries & packages
Open in ThreatlineRecord JSON
CVSS
2.3Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.59%Chance of exploitation activity in the next 30 days, higher than 48% of CVEs. Scored 28 Oct 2026FIRST EPSS
Fixed in16.1.1Fixed versionGitHub
Published15 Sep 2026Updated 28 Oct 2026CVE List

What fixes it

  • 16.1.1org.openidentityplatform.openam:openam-federation-library, mavenGitHub<dependency><groupId>org.openidentityplatform.openam</groupId><artifactId>openam-federation-library</artifactId><version>16.1.1</version></dependency>
  • 16.1.1org.openidentityplatform.openam:openam-federation-library, MavenOSV<dependency><groupId>org.openidentityplatform.openam</groupId><artifactId>openam-federation-library</artifactId><version>16.1.1</version></dependency>

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from GitHub Advisory Database

Affected versions 43

  • org.openidentityplatform.openam:openam-federation-library, maven< 16.1.1GitHub
  • OpenAMaffected: < 16.1.1CVE List
  • org.openidentityplatform.openam:openam-federation-library, Mavenfrom first release, fixed in 16.1.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.5.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.5.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.5.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.5OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.6.6OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.7.0OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.7.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.7.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.7.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.7.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.8.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.8.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.8.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven14.8.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.0.0OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.0.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.0.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.0.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.0.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.0OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.5OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.1.6OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.2.0OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.2.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven15.2.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.1OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.2OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.3OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.4OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.5OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.0.6OSV
  • org.openidentityplatform.openam:openam-federation-library, Maven16.1.0OSV

References 5