Findings

CVE-2026-19592

ZDI-26-650: (Pwn2Own) OpenAI Codex External Control of Configuration Setting Remote Code Execution Vulnerability

Published Sep 10, 2026

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenAI Codex. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-19592.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 10, 2026 · Catalog

    Detected

    This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenAI Codex. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-19592.

Sources

  • CVE.orgCVE-2026-19592

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-19592

    30-day exploitation probability 0.1%

    first.org
  • This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenAI Codex. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-19592.

    zerodayinitiative.com
CVE-2026-19592 · ZeroDay Findings