CVE-2026-11326
Last modified
CVE-2026-11326 is a medium-severity vulnerability rated 6/10 on the CVSS scale. 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. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:X/V:D/RE:L/U:Green
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-11326?
How severe is CVE-2026-11326?
How do I fix CVE-2026-11326?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-11317A denial of service security issue exists in the affected pr…8.7
- CVE-2026-1132A vulnerability was found in Yonyou KSOA 9.0. The affected e…9.8
- CVE-2026-11321The DataInjection plugin for GLPI 2.15.6 (GLPI 11 builds) co…7.1
- CVE-2026-11322Hermes WebUI prior to v0.51.221 contains a path traversal vu…7.1
- CVE-2026-11324The WooCommerce Placetopay Gateway and PlacetoPay/AvalPay ga…6.1
- CVE-2026-11325Description Cloudflare was recently notified by external …8.8
- CVE-2026-11328The Exclusive Addons for Elementor plugin for WordPress is v…6.4
- CVE-2026-11329A vulnerability has been found in onnx onnx-mlir up to 0.5.0…3.6
- CVE-2026-1133A vulnerability was determined in Yonyou KSOA 9.0. The impac…9.8
- CVE-2026-11330A weakness has been identified in thedotmack claude-mem up t…3.6
- CVE-2026-11331An attacker who knows (or guesses) that a resolver uses RPZ …7.5
- CVE-2026-11332A flaw was found in ansible-core. The ansible-galaxy role in…7.8
Are you affected by CVE-2026-11326?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
