{"id":"EM-20261112-S6GB","url":"https://cyber.eventmonitor.net/incident/EM-20261112-S6GB/xweb-evo-vulnerability-cve-2026-124014/","type":"cve","title":"XWEB EVO Vulnerability (CVE-2026-124014)","subtitle":"CVE-2026-124014","subject":"CVE-2026-124014","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-12T20:18:25.590Z","firstSignal":"2026-11-12T00:00:00.000Z","lastSignal":"2026-11-12T20:18:25.590Z","updated":"2026-11-12T23:22:21.479Z","revision":1,"life":[{"status":"Born","at":"2026-11-12T20:18:25.590Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-12T20:18:25.590Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-12T00:00:00.000Z","what":"First signal: C30 VulnCheck KEV"},{"at":"2026-11-12T20:18:25.590Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261112-S6GB created."}],"stages":[{"name":"Disclosed","at":"2026-11-12T20:18:25.590Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-12T20:18:25.590Z","detail":"CVSS 8.8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-12T00:00:00.000Z","source":"C30","sourceName":"VulnCheck KEV","role":"Research & News","severity":3,"title":"CVE-2026-124014 known exploited (VulnCheck KEV): Missing Authentication for Critical Functionality","text":"XWEB EVO 4.3.0 through 5.8.8 contains an unauthenticated arbitrary file write vulnerability that allows remote attackers to modify the system configuration file /etc/xwebconfig.json by sending a crafted POST request to config.lua with action=set, which performs no session validation and writes the…","url":"https://vulncheck.com/browse/cve/CVE-2026-124014"},{"at":"2026-11-12T20:18:25.590Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-124014 (CVSS 8.8)","text":"XWEB EVO 4.3.0 through 5.8.8 contains an unauthenticated arbitrary file write vulnerability that allows remote attackers to modify the system configuration file /etc/xwebconfig.json by sending a crafted POST request to config.lua with action=set, which performs no session validation and writes the raw, unvalidated request body. Attackers can tamper with configuration values such as model and plugin fields or trigger a SYSTEM_NOT_CONFIGURED state via the unauthenticated action=get and action=set operations, resulting in configuration tampering and denial of service. This product line reached…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124014"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-12T20:18:25.590","score":8.8,"severity":"HIGH","desc":"XWEB EVO 4.3.0 through 5.8.8 contains an unauthenticated arbitrary file write vulnerability that allows remote attackers to modify the system configuration file /etc/xwebconfig.json by sending a crafted POST request to config.lua with action=set, which performs no session validation and writes the…","product":"","seen":1794525741479},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}