CVE-2026-110930

High

Description

Codex Desktop for Windows does not correctly check quotation marks in project paths from Windows Explorer. If a user selects "Open project in ChatGPT" for an attacker-controlled library's child item, the path can add application startup arguments. These arguments can run attacker-controlled code with the current Windows user's permissions before sign-in or project trust approval.

SeverityHigh
CVSS8.0
Exploit probability—
ProductCodex Desktop for Windows
PublishedNov 5, 2026
First seenNov 5, 2026
Weakness typeCWE-88CWE-88

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
OpenAI Codex Desktop for Windows26.820.60940 ≤ v ≤ 26.1002.52244—
OpenAI Codex Desktop for Windows (Microsoft Store/MSIX package)26.820.7780.0 ≤ v ≤ 26.1002.7124.0—

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