CVE-2026-14227: medium-severity vulnerability in MikroTik RouterOS
Insufficient session expiration in MikroTik RouterOS
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.4%
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.
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
Affected products
MikroTik · RouterOSRelated CVEs — MikroTik RouterOS
In the same product, most dangerous first.
CVE-2019-3943—CVE-2019-3943EPSS 3.7%CVE-2023-30800HIGHMikroTik RouterOS Web Interface Heap CorruptionEPSS 1.7%CVE-2023-30799CRITICALMikroTik RouterOS Administrator Privilege EscalationEPSS 1.4%CVE-2025-10948HIGHMikroTik RouterOS libjson.so print parse_json_element buffer overflowEPSS 1.0%CVE-2026-84411CRITICALMikroTik RouterOS Integer UnderflowEPSS 0.9%CVE-2025-6563MEDIUMCross-site scripting via dst parameter in RouterOS WiFi hotspotEPSS 0.7%