CVE-2026-195939.8CriticalCWE-15

CVE-2026-19593: 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.

0.5%probability of exploitation in the next 30 days

44th percentile

050100

Higher than 44% of scored CVEs

9.8CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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 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.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: External Control of System or Configuration Setting · Misconfiguration and Insecure Design
Vendor: OpenAI
Published: September 2026
Band: Unlikely (under 1%), September 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-19593 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.