CVE-2026-19590: OpenAI Codex Desktop vulnerability
OpenAI · Codex Desktop
Vendor fix available · Affected: OpenAI Codex Desktop · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 4% of scored CVEs
DescriptionCVE.org
OpenAI Codex Desktop for Windows and macOS could execute attacker-controlled Git hooks because automated Git operations trusted the repository's local core.hooksPath setting. If a user opens an attacker-prepared repository whose preserved .git/config points core.hooksPath to an attacker-controlled directory, Codex can run a malicious hook while processing the repository. The hook executes outside Codex's command sandbox, without user approval, and with the user's privileges, allowing it to read, change, or delete the user's files and access other resources available to the user's account. An ordinary Git clone does not preserve the attacker-controlled repository-local configuration required for exploitation.
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- OpenAI · Codex Desktopfrom 260202.0859 up to and including 26.513.31313
- OpenAI · Codex Desktopfrom 26.304.38 up to and including 26.513.40821
- OpenAI · Codex Desktop (Microsoft Store package)from 26.304.38.0 up to and including 26.513.4821.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- OpenAI
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-19590 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.