PT-2026-51438 · Maven · Org.Openidentityplatform.Openam:Openam-Oauth2

Published 2026-06-22 · Updated 2026-06-22 · CVE-2026-44203

OSV

CVSS v3.1

9.3

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Summary

The OAuth 2.0 / OpenID Connect authorization endpoint does not sufficiently sanitize certain user-supplied parameters before incorporating them into the HTML response generated for the form post response mode. This may allow an attacker to inject content into the rendered page in the context of the OpenAM origin.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-44203

GHSA-FQ9H-C788-FX73

Affected Products

Org.Openidentityplatform.Openam:Openam-Oauth2

References · 4

• https://osv.dev/vulnerability/GHSA-fq9h-c788-fx73 · Vendor Advisory
• https://github.com/OpenIdentityPlatform/OpenAM · Note
• https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-fq9h-c788-fx73 · Note
• https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1 · Note