CVE-2026-11326Disclosure

LOWCVSS 6.0 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references

https://www.hacktron.ai/blog/hacking-openai-atlas-browser

Weakness type (CWE)

CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets2 URLs

By indicator

Full discourse1 post

CVE@CVEnew136d
Disclosure
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 http://forum.openai.com cou… https://www.cve.org/CVERecord?id=CVE-2026-11326
Post summary
The note announces CVE‑2026‑11326, a cross‑site scripting flaw in OpenAI Atlas that exposes privileged browser APIs to web content from *.openai.com sites, particularly forum.openai.com.
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