CVE-2026-11326

OpenAI Atlas before 1.2025.288.15 exposed privileged browser APIs to web content on *.openai.com origins. A cross-site scripting vulnerability in forum.openai.com could be used to access these functions, allowing access to browser history information and the ability to open or close tabs. OpenAI Atlas 1.2025.288.15 narrows access to these APIs to *.chatgpt.com; users should upgrade to 1.2025.288.15 or later.
CVSS

No CVSS.

Configurations

No configuration.

History

05 Jun 2026, 02:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-06-05 02:17

Updated : 2026-06-05 18:17


NVD link : CVE-2026-11326

Mitre link : CVE-2026-11326

CVE.ORG link : CVE-2026-11326


JSON object : View

Products Affected

No product.

CWE
CWE-284

Improper Access Control