{"identifier":"CVE-2026-11839","cve":{"id":"CVE-2026-11839","description":"Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server.\n\nThis issue affects Rotaban: from V2026.06.002 before V2026.06.003.","published":"2026-06-11T16:16:22.497000+00:00","modified":"2026-10-26T11:10:00.157000+00:00","status":"Deferred","score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-434"],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0367","source":"iletisim@usom.gov.tr"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"iletisim@usom.gov.tr","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":6.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-11T15:30:59.093331Z","id":"CVE-2026-11839","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:25:28.207549+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Critical technical severity","reasons":["CVSS is at least 9.0; exploitation is not established by severity alone."]},"epss":{"probability":0.00335,"percentile":0.26882,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"siberguvenlik.gov.tr","source_url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0367","investigate_url":"https://investigate.aeglixmind.com/#siberguvenlik.gov.tr"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-11839","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-11839","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-11839","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}