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CVE-2026-8396

Status: DeferredHigh (7.5)—

Improper restriction of XML external entity reference vulnerability in Netcad Software Inc. NetGIS allows Serialized Data External Linking.

This issue affects NetGIS: from 5.0.66 before 7.2.2.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

XXE en aplicación web expuesta (AV:N, PR:N, UI:N) permite lectura de archivos del servidor. CWE-611 y 'External Linking' confirman acceso a datos locales sin autenticación.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Vulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network TrafficApplication Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Netcad Software INC — NetgisAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-8396",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-8396",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-17T12:54:54.239036Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "iletisim@usom.gov.tr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "iletisim@usom.gov.tr",
      "affectedData": [
        {
          "vendor": "Netcad Software Inc.",
          "product": "NetGIS",
          "versions": [
            {
              "status": "affected",
              "version": "5.0.66",
              "lessThan": "7.2.2",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-07-17T13:19:01.827",
  "references": [
    {
      "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0570",
      "source": "iletisim@usom.gov.tr"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "iletisim@usom.gov.tr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper restriction of XML external entity reference vulnerability in Netcad Software Inc. NetGIS allows Serialized Data External Linking.\n\nThis issue affects NetGIS: from 5.0.66 before 7.2.2."
    }
  ],
  "lastModified": "2026-07-17T15:00:17.017",
  "sourceIdentifier": "iletisim@usom.gov.tr"
}