{"id":"CVE-2026-106931","published":"2026-10-14T05:16:42Z","modified":"2026-10-21T15:42:24Z","title":"EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability","vendor":"EG Secure Solutions","product":"SiteGuard Server Edition","tier":"core","eol":null,"description":{"text":"SiteGuard Server Edition contains an OS command injection vulnerability, which may allow an attacker to execute arbitrary OS commands with root or SYSTEM privileges on the system running the affected product.","provenance":"source","from":"NVD"},"summary":{"text":"EG Secure Solutions' SiteGuard Server Edition contains an OS command injection flaw, classified as improper neutralization of special elements used in an OS command. The attack vector is local (AV:L), requires low privileges (PR:L), and needs no user interaction, and a successful attacker could run arbitrary OS commands with root or SYSTEM privileges on the host running the product.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:35:48Z"},"cvss":{"score":8.5,"severity":"HIGH","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","provenance":"source","from":"NVD"},"epss":{"score":0.02528,"percentile":0.84855,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2026-10-20","dueDate":"2026-10-23","ransomware":false,"requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"https://www.eg-secure.co.jp/siteguard/news/alert-202610-1 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-106931","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-10-14","exploitedFirstSeen":"2026-10-14","ransomware":false,"evidence":[{"url":"https://www.eg-secure.co.jp/siteguard/news/alert-202610-1","date":"2026-10-14"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-10-20"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":16,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Known_Cve | Oct 23, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ada23770d71749da2321a29","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Known_Cve | Oct 22, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad8d3466c8181f05516bab7","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Known_Cve | Oct 21, 2026 | Part 3/4","url":"https://otx.alienvault.com/pulse/6ad78144340f998d3db4d0bc","created":"2026-10-20"}],"provenance":"machine"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://jvn.jp/en/jp/JVN88474777/","tags":["Third Party Advisory"]},{"url":"https://www.eg-secure.co.jp/siteguard/news/alert-202610-1","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-106931","tags":["US Government Resource"]}],"techniques":[{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Local attacker with low privileges exploits injection","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"SiteGuard Server Edition contains an OS command injection vulnerability","start":0,"end":71}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Arbitrary OS command execution is the direct impact","mappingType":"primary_impact","evidence":[{"from":"description","quote":"may allow an attacker to execute arbitrary OS commands","start":79,"end":133}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-100814","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100814","exploited":true,"exploitedSince":"2026-10-20","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1068"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2026-10-14","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106931","provenance":"source"},{"date":"2026-10-14","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.eg-secure.co.jp/siteguard/news/alert-202610-1","provenance":"source"},{"date":"2026-10-20","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-10-20","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100814","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":6},"priority":{"score":70.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":10.0,"detail":"added 16 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":16.97,"detail":"percentile 0.8486"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":2.79,"detail":"16 pulses"},{"name":"CVSS severity","points":5.95,"detail":"base score 8.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}