How severe is CVE-2025-61260?

CVE-2025-61260 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-61260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-61260?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-61260 have an EU (EUVD) identifier?

Yes. CVE-2025-61260 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209435.

When was CVE-2025-61260 published?

CVE-2025-61260 was published on 2026-04-14 and last updated on 2026-07-05.

CVE-2025-61260

CVE-2025-61260 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209435
Weakness: CWE-94
Published: 2026-04-14
Last modified: 2026-07-05

Description

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 immediately.

Frequently asked questions

What is CVE-2025-61260?: 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 immediately.
How severe is CVE-2025-61260?: CVE-2025-61260 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-61260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-61260?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-61260 have an EU (EUVD) identifier?: Yes. CVE-2025-61260 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209435.
When was CVE-2025-61260 published?: CVE-2025-61260 was published on 2026-04-14 and last updated on 2026-07-05.

References

https://research.checkpoint.com/2025/openai-codex-cli-command-injection-vulnerability/

EU advisories (EUVD)

http://openai.com

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