SEPTEMBER 17, 2026
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Case File

CVE-2026-44203

HIGH · CVSS 8.3 EPSS 0.47% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Open Access Management (OpenAM) prior to version 16.1.1 is vulnerable due to insufficient encoding of user-supplied parameters in the OAuth 2.0 and OpenID Connect authorization endpoints, allowing unauthenticated attackers to execute scripts in the OpenAM origin through crafted authorization requests. This vulnerability poses a high risk of cross-site scripting (XSS) attacks, potentially compromising user data and session integrity. Organizations using OpenAM should prioritize upgrading to version 16.1.1 to mitigate this security risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-44203
Severity
HIGH
CVSS
8.3
EPSS
0.47%

Original NVD Description

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the OAuth 2.0 and OpenID Connect authorization endpoint does not sufficiently encode user-supplied parameters before FormPostResponse.ftl and checkSession.ftl render them into HTML for the form_post response mode. An unauthenticated attacker can induce a user to open a crafted authorization request and execute script in the OpenAM origin. This issue is fixed in version 16.1.1.