CVE-2026-40128 (GCVE-0-2026-40128)

Vulnerability from cvelistv5 – Published: 2026-06-09 00:20 – Updated: 2026-06-09 00:20
VLAI
Title
Directory Traversal vulnerability in SAP NetWeaver Application Server Java (Web Container)
Summary
SAP NetWeaver Application Server Java (Web Container) allows an unauthenticated attacker to craft a malicious HTTP logon request that manipulates file inclusion parameters, enabling path traversal and processing of the included file. Processing the included file could allow the attacker to view or modify sensitive information or render any part of the local system unavailable.
CWE
Assigner
sap
Impacted products
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SAP NetWeaver Application Server Java (Web Container)",
          "vendor": "SAP_SE",
          "versions": [
            {
              "status": "affected",
              "version": "ENGINEAPI 7.50"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
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            }
          ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-35",
              "description": "CWE-35: Path Traversal",
              "lang": "eng",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-09T00:20:14.581Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "url": "https://me.sap.com/notes/3727078"
        },
        {
          "url": "https://url.sap/sapsecuritypatchday"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Directory Traversal vulnerability in SAP NetWeaver Application Server Java (Web Container)",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2026-40128",
    "datePublished": "2026-06-09T00:20:14.581Z",
    "dateReserved": "2026-04-09T17:29:44.662Z",
    "dateUpdated": "2026-06-09T00:20:14.581Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-40128\",\"sourceIdentifier\":\"cna@sap.com\",\"published\":\"2026-06-09T01:16:46.050\",\"lastModified\":\"2026-06-09T02:08:28.150\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SAP NetWeaver Application Server Java (Web Container) allows an unauthenticated attacker to craft a malicious HTTP logon request that manipulates file inclusion parameters, enabling path traversal and processing of the included file. Processing the included file could allow the attacker to view or modify sensitive information or render any part of the local system unavailable.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cna@sap.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"cna@sap.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-35\"}]}],\"references\":[{\"url\":\"https://me.sap.com/notes/3727078\",\"source\":\"cna@sap.com\"},{\"url\":\"https://url.sap/sapsecuritypatchday\",\"source\":\"cna@sap.com\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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