Vulnerability · Published Sep 1, 2026 · Assigned by OAI
CVE-2026-19590
High 7.3
In plain English
A high-severity uncontrolled search path in Codex Desktop from OpenAI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenAI | Codex Desktop | 260202.0859 – through 26.513.31313 |
| OpenAI | Codex Desktop | 26.304.38 – through 26.513.40821 |
| OpenAI | Codex Desktop (Microsoft Store package) | 26.304.38.0 – through 26.513.4821.0 |
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H