CVE-2026-67279 · MikroTik RouterOS: Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability
[CISA KEV actively exploited] Vendor: MikroTik | Product: RouterOS | Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-09-28 | Ransomware use: Unknown | Added: 2026-09-25 CVEs: CVE-2026-67279, CVE-2026-86060. CISA KEV/exploitation signal detected. Vendors: MikroTik. DORA relevance: medium.