CVE-2026-58195
Command injection in Agentic-Flow MCP allows arbitrary OS command execution.
Is CVE-2026-58195 being exploited?
Not confirmed. CVE-2026-58195 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 0.87% probability of exploitation in the next 30 days.
How severe is CVE-2026-58195?
CVE-2026-58195 is rated High with a CVSS score of 8.8. 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-2026-58195?
Yes. A fix has been recorded for CVE-2026-58195. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-58195 affect?
CVE-2026-58195 affects Agentic-Flow MCP server (< 2.0.14), mcp/standalone-stdio.ts, mcp/fastmcp/servers/*, mcp/fastmcp/tools/*. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-58195?
Upgrade to Agentic-Flow 2.0.14; restrict MCP user privileges and sanitize inputs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker-controlled params interpolated into execSync() enable arbitrary OS command execution as the MCP server user, risking data theft, lateral movement, or full host compromise.
Immediate action required
- affected< 2.0.14
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.