CVE-2025-55345
HIGHCodex CLI - Arbitrary File Overwrite via Symlink Following
Title source: llmDescription
Using Codex CLI in workspace-write mode inside a malicious context (repo, directory, etc) could lead to arbitrary file overwrite and potentially remote code execution due to symlinks being followed outside the allowed current working directory.
References (2)
Core 2
Core References
Various Sources third-party-advisory
https://research.jfrog.com/vulnerabilities/codex-cli-symlink-arbitrary-file-overwrite-jfsa-2025-001378631/
Issue Tracking patch
https://github.com/openai/codex/pull/1705
Scores
CVSS v3
8.8
EPSS
0.0078
EPSS Percentile
51.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-61
Status
published
Published
Aug 13, 2025
Tracked Since
Feb 18, 2026