CVE-2026-14227 MEDIUM

CVE-2026-14227: Insufficient session expiration in MikroTik RouterOS

Vendor Mikrotik
Product RouterOS
Weakness CWE-613 · Insufficient session expiration
Published July 30, 2026
Last update July 30, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 timeouts or user‑group changes. As a result, an authenticated user whose permissions have been reduced may continue accessing information.

Key dates

02Disclosure timeline

July 30, 2026 CVE published
July 30, 2026 Record updated