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CVE-2026-19593

OpenAI / Codex Desktop PUBLISHED

Description (CNA)

OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex's command sandbox with the signed-in user's privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository's .git/config and is not sufficient by itself.

Affected (CNA)

Vendor / productVersions
OpenAI / Codex Desktopaffected 260202.0859 through 26.513.31313; unaffected 26.519.22136
OpenAI / Codex Desktopaffected 26.304.38 through 26.513.40821; unaffected 26.519.21041
OpenAI / Codex Desktop (Microsoft Store package)affected 26.304.38.0 through 26.513.4821.0; unaffected 26.519.2081.0

CWE

CWE-15

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.