CVE-2025-59532
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Description
Codex CLI is a coding agent from OpenAI that runs locally. In versions 0.2.0 to 0.38.0, due to a bug in the sandbox configuration logic, Codex CLI could treat a model-generated cwd as the sandbox’s writable root, including paths outside of the folder where the user started their session. This logic bypassed the intended workspace boundary and enables arbitrary file writes and command execution where the Codex process has permissions - this did not impact the network-disabled sandbox restriction. This issue has been patched in Codex CLI 0.39.0 that canonicalizes and validates that the boundary used for sandbox policy is based on where the user started the session, and not the one generated by the model. Users running 0.38.0 or earlier should update immediately via their package manager or by reinstalling the latest Codex CLI to ensure sandbox boundaries are enforced. If using the Codex IDE extension, users should immediately update to 0.4.12 for a fix of the sandbox issue.
Available Exploits
Related News
EU Vulnerability Database
Monitored by ENISA for EU cybersecurity
ENISA Analysis
Malicious code in bioql (PyPI)
Affected Products (ENISA)
ENISA Scoring
CVSS Score (4.0)
EPSS Score
ENISA References
Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Codex has sandbox bypass due to bug in path configuration logic
GHSA-w5fx-fh39-j5rwAdvisory Details
Affected Packages
CVSS Scoring
CVSS Score
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
Advisory provided by GitHub Security Advisory Database. Published: September 19, 2025, Modified: September 22, 2025