{"id":"CVE-2026-14227","state":"PUBLISHED","title":"Insufficient session expiration in MikroTik RouterOS","description":"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.","publishedAt":"2026-07-30T17:39:59.616Z","updatedAt":"2026-07-30T19:15:52.381Z","severity":{"score":6.9,"label":"Medium","version":"4.0","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","source":"icscert"},"assigner":"icscert","products":["MikroTik RouterOS"],"affected":[{"vendor":"MikroTik","product":"RouterOS","defaultStatus":"affected","versions":[{"version":"All versions","status":"affected"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-01"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/14xxx/CVE-2026-14227.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14227","state":"PUBLISHED","datePublished":"2026-07-30T17:39:59.616Z","dateUpdated":"2026-07-30T19:15:52.381Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-06-30T12:02:13.218Z"},"containers":{"cna":{"title":"Insufficient session expiration in MikroTik RouterOS","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"MikroTik","product":"RouterOS","defaultStatus":"affected","versions":[{"version":"All versions","status":"affected"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-01","tags":["government-resource"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"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"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":4.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613 Insufficient session expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-07-30T17:39:59.616Z"},"solutions":[{"lang":"en","value":"MikroTik recommends administrators to ensure that when a user’s permissions are downgraded, the affected user is fully logged out so the new policy can take effect.\n\n\n\nFor more information, contact MikroTik (https://mikrotik.com/support).","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>MikroTik recommends administrators to ensure that when a user’s permissions are downgraded, the affected user is fully logged out so the new policy can take effect.</p><p>For more information, contact MikroTik (https://mikrotik.com/support).</p>"}]}],"credits":[{"lang":"en","value":"Andre Santos reported this vulnerability to CISA.","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T19:15:42.794909Z","id":"CVE-2026-14227","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T19:15:52.381Z"}}]}}}