CVE-2026-121825

Open redirect in the Liberty ID-FF service provider single sign-on flow

Published Nov 9, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
OpenAM (OpenAM Consortium Edition) 14.0.5 and earlier contains an open redirect vulnerability (CWE-601) in the Liberty ID-FF service provider single sign-on flow. The goto parameter of the /preLogin endpoint is stored as the RelayState of the Liberty ID-FF authentication request without validation, and after the user completes single sign-on at the identity provider, the assertion consumer service redirects the browser to that value. A remote unauthenticated attacker can induce a user to access a crafted URL and, after the user authenticates, redirect the user to an arbitrary website, which may be used for phishing. Only deployments in which a Liberty ID-FF hosted service provider is configured are affected; Liberty ID-FF is not configured by default. This issue is fixed in 14.0.6, which disables the legacy Liberty ID-FF endpoints.

Remediation

Vendor Solution

Upgrade to OpenAM (OpenAM Consortium Edition) 14.0.6 or later. Note that 14.0.6 disables the legacy Liberty ID-FF endpoints.


Vendor Workaround

If Liberty ID-FF is not used, remove the Liberty ID-FF servlet mappings (including /preLogin, /IntersiteTransferService and /AssertionConsumerService/*) from WEB-INF/web.xml, or block access to these endpoints at a reverse proxy or web application firewall.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Openam Consortium
Openam Consortium openam (openam Consortium Edition)
Vendors & Products Openam Consortium
Openam Consortium openam (openam Consortium Edition)
Type Values Removed Values Added
Description OpenAM (OpenAM Consortium Edition) 14.0.5 and earlier contains an open redirect vulnerability (CWE-601) in the Liberty ID-FF service provider single sign-on flow. The goto parameter of the /preLogin endpoint is stored as the RelayState of the Liberty ID-FF authentication request without validation, and after the user completes single sign-on at the identity provider, the assertion consumer service redirects the browser to that value. A remote unauthenticated attacker can induce a user to access a crafted URL and, after the user authenticates, redirect the user to an arbitrary website, which may be used for phishing. Only deployments in which a Liberty ID-FF hosted service provider is configured are affected; Liberty ID-FF is not configured by default. This issue is fixed in 14.0.6, which disables the legacy Liberty ID-FF endpoints.
Title Open redirect in the Liberty ID-FF service provider single sign-on flow
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
openam-jp
Published
Updated
Nov 10, 2026, 4:46 PM
Reserved
Nov 4, 2026, 5:52 AM
Status
Awaiting Analysis
Published
Nov 9, 2026, 3:16 AM
Modified
Nov 12, 2026, 10:09 PM