CVE-2025-61260: A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through mali

Q: How do I fix CVE-2025-61260?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Q: Is CVE-2025-61260 being exploited?

CVE-2025-61260 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-61260 affect?

CVE-2025-61260 affects affected software. Severity is critical (CVSS 9.8). A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model Context Protocol) configuration files. The attack is triggered when a user runs the codex command inside a malici

Q: How urgent is CVE-2025-61260?

Priority 69/100. Critical severity; EPSS top 6%: very likely to be exploited; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTE

CVE-2025-61260 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model Context Protocol) configuration files. The attack is triggered when a user runs the codex command inside a malicious or compromised repository. Codex automatically loads project-local .env and .codex/config.toml files without requiring user confirmation, allowing attackers to embed arbitrary commands that execute immediat

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	6.6% (top 6%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-04-14
Last modified	2026-07-05

Publisher (CNA): MITRE

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-04-14 15:16 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

Exact fixes by distribution

npm · @openai/codex · NO FIX YET · vulnerable: <= 0.23.0 · source

Fedora 46 · icecat · FIXED · 153.6.0-2.rh1.fc46 · FEDORA-2026-25e05b5320 · source

sudo dnf upgrade --advisory=FEDORA-2026-25e05b5320

Fedora ELN · edk2 · FIXED · 20260812-14.eln159 · FEDORA-2026-8850ef9153 · source

sudo dnf upgrade --advisory=FEDORA-2026-8850ef9153

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-61260?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2025-61260 being exploited?

CVE-2025-61260 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-61260 affect?

CVE-2025-61260 affects affected software. Severity is critical (CVSS 9.8). A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model Context Protocol) configuration files. The attack is triggered when a user runs the codex command inside a malici

How urgent is CVE-2025-61260?

Priority 69/100. Critical severity; EPSS top 6%: very likely to be exploited; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

OpenAI and LLM tools vulnerabilities

References

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