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29/04/2026
Zero-Day Initiative

ZDI-26-305: (0Day) OpenAI Codex Sandbox Escape Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to bypass the sandbox on affected installations of OpenAI Codex. User interaction is required to exploit this vulnerability in that the target must use Codex to process a repository containing malicious JavaScript. The ZDI has assigned a CVSS rating of 8.6.
  • Next ZDI-26-306: Oracle VirtualBox SoundBlaster 16 Race Condition Local Privilege Escalation Vulnerability
  • Previous ZDI-26-304: Foxit PDF Reader AcroForm Annotation Use-After-Free Remote Code Execution Vulnerability

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