What is CVE-2026-14227?

CVE-2026-14227 is a medium-severity vulnerability in Mikrotik Routeros, classified under Insufficient Session Expiration. CVSS score: 4.9/10. Published 2026-07-30.

How severe is CVE-2026-14227?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Mikrotik Routeros

CVE-2026-14227

An API session‑management flaw in products with the MikroTik RouterOS API enabled are vulnerable to a Insufficient Session Expiration vulnerability. This could allow active sessions to retain their previous permission set after inactivity…

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mikrotik Routeros — versions All versions

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

ics-cert@hq.dhs.gov (government-resource)

Frequently asked questions

What is CVE-2026-14227?: CVE-2026-14227 is a medium-severity vulnerability in Mikrotik Routeros, classified under Insufficient Session Expiration. CVSS score: 4.9/10. Published 2026-07-30.
How severe is CVE-2026-14227?: Medium severity. CVSS v3 base score is 4.9 out of 10.