CVE-2025-61260
Code execution via malicious MCP config in OpenAI Codex CLI v0.23.0 and earlier
Is CVE-2025-61260 being exploited?
Not confirmed. CVE-2025-61260 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 6.6% probability of exploitation in the next 30 days.
How severe is CVE-2025-61260?
CVE-2025-61260 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-61260?
Not known from our data. No patch reference has been recorded for CVE-2025-61260, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2025-61260 affect?
CVE-2025-61260 affects OpenAI Codex CLI (v0.23.0 and earlier). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-61260?
Patch when available; only run Codex CLI in trusted repos
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via loading local .env and .codex/config.toml without confirmation from a compromised repo
Immediate action required