CVE-2025-55345 json
Unsafe symlink following in restricted workspace-write sandbox leads to RCE
published 2025-08-13 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24554
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/openai/codex#1705 pull request
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 14 mo ago
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- research.jfrog.com https://research.jfrog.com/vulnerabilities/codex-cli-symlink-arbitrary-file-overwrite-jfsa-2025-001378631/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-61 UNIX Symbolic Link (Symlink) Following
References
-
github.com
/openai/codex/pull/1705
patch
-
research.jfrog.com
/vulnerabilities/codex-cli-symlink-arbitrary-file-overwrite-jfsa-2025-001378631/
third-party-advisory, exploit
Sources
- CVE List CVE-2025-55345
- NVD CVE-2025-55345
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