CVE-2026-123539
Published:November 08, 2026
Updated:November 09, 2026
OpenAM before 16.1.4 contains a stored cross-site scripting vulnerability that allows privileged attackers to inject script by placing markup in a user's display name. When the victim reaches the OAuth 2.0 / OpenID Connect consent page, the unencoded name executes script that can steal the OpenAM session cookie to impersonate the user.
Affected Packages
https://github.com/OpenIdentityPlatform/OpenAM.git (GITHUB):
Affected version(s) >=13.0.0-RC1 <16.1.4 || >=14.0.0-M1 <16.1.4 || >=15.0.0 <16.1.4 || >=16.0.0-RC1 <16.1.4Fix Suggestion:
Update to version 16.1.4org.openidentityplatform.openam:openam-oauth2 (JAVA):
Affected version(s) >=16.0.1 <16.1.4 || >=14.5.2 <16.1.4 || >=15.0.0 <16.1.4Fix Suggestion:
Update to version 16.1.4Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation
EPSS
Base Score:
0.18