CVE-2026-53660: OpenAM Insecure SSO Cookie Initialization

August 14, 2026

Description An Insecure Default Initialization of Resource (CWE-1188) issue in the OpenAM default configuration ships the iPlanetDirectoryPro SSO cookie with HttpOnly=false. Also, the iPlanetDirectoryPro SSO cookie is used as a CSRF token in OAuth/OIDC flows. This affects OpenAM Community Edition through version 16.0.6 and was patched in version 16.1.1.

References

github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1
github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fpmh-vx4h-xc33
github.com/advisories/GHSA-fpmh-vx4h-xc33
nvd.nist.gov/vuln/detail/CVE-2026-53660

Code Behaviors & Features

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