CVE-2026-106931

{"id": "CVE-2026-106931", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106931", "role": "CISA Coordinator", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-20T00:00:00+00:00"}}], "cvssMetricV30": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "vultures@jpcert.or.jp", "affectedData": [{"vendor": "EG Secure Solutions Inc.", "product": "SiteGuard Server Edition for Apache httpd", "versions": [{"status": "affected", "version": "Ver2.20", "lessThan": "Ver8.00 Update 5", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "EG Secure Solutions Inc.", "product": "SiteGuard Server Edition for Nginx", "versions": [{"status": "affected", "version": "Ver2.20", "lessThan": "Ver8.00 Update 5", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "EG Secure Solutions Inc.", "product": "SiteGuard Server Edition for IIS", "versions": [{"status": "affected", "changes": [{"at": "Ver3.10", "status": "unaffected"}, {"at": "Ver4.00 Update 5", "status": "affected"}], "version": "Ver2.20", "lessThan": "Ver8.00 Update 5", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "EG Secure Solutions Inc.", "product": "SiteGuard Server Edition for Apache httpd on FreeBSD", "versions": [{"status": "affected", "version": "Ver2.20", "lessThan": "Ver7.00 Update 6", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "EG Secure Solutions Inc.", "product": "SiteGuard Server Edition for Nginx on FreeBSD", "versions": [{"status": "affected", "version": "Ver2.20", "lessThan": "Ver7.00 Update 6", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-14T05:16:42.633", "references": [{"url": "https://jvn.jp/en/jp/JVN88474777/", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.eg-secure.co.jp/siteguard/news/alert-202610-1", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-106931", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-10-21T15:42:24.590", "cisaActionDue": "2026-10-23", "cisaExploitAdd": "2026-10-20", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:e-guardian:siteguard:*:*:*:*:server:apache:*:*", "vulnerable": true, "matchCriteriaId": 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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.", "cisaVulnerabilityName": "EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability"}