{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "core-geonetwork",
          "vendor": "geonetwork",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.3.0, \u003c 4.4.12"
            },
            {
              "status": "affected",
              "version": "\u003c 4.2.17"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GeoNetwork is a catalog application to manage spatially referenced resources. Prior to versions 4.4.12 and 4.2.17, the Saxon XSLT processor used to render formatters is configured without secure processing (`FEATURE_SECURE_PROCESSING`) and without disabling Java extension functions (`ALLOW_EXTERNAL_FUNCTIONS`). Any stylesheet loaded by GeoNetwork can therefore invoke\n`java.lang.Runtime.exec()` or `java.lang.ProcessBuilder` directly, achieving arbitrary command execution as the GeoNetwork process user. A user with sufficient privileges to upload a formatter can deliver a `.xsl` file containing Java extension call that execute arbitrary OS commands with the privileges of the GeoNetwork process. The issue is patched in GeoNetwork versions 4.4.12 and 4.2.17."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-470",
              "description": "CWE-470: Use of Externally-Controlled Input to Select Classes or Code (\u0027Unsafe Reflection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-03T17:06:17.827Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-x898-729x-cc3r",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-x898-729x-cc3r"
        },
        {
          "name": "https://docs.geonetwork-opensource.org/4.2/overview/change-log/version-4.2.17",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.geonetwork-opensource.org/4.2/overview/change-log/version-4.2.17"
        },
        {
          "name": "https://docs.geonetwork-opensource.org/4.4/overview/change-log/version-4.4.12",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.geonetwork-opensource.org/4.4/overview/change-log/version-4.4.12"
        },
        {
          "name": "https://thehackernews.com/2026/09/geonetwork-fixes-unauthenticated-rce.html",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://thehackernews.com/2026/09/geonetwork-fixes-unauthenticated-rce.html"
        }
      ],
      "source": {
        "advisory": "GHSA-x898-729x-cc3r",
        "discovery": "UNKNOWN"
      },
      "title": "GeoNetwork vulnerable to Remote Code Execution via unsafe Saxon XSLT processor configuration in formatter"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-58400",
    "datePublished": "2026-09-03T17:06:17.827Z",
    "dateReserved": "2026-06-30T18:19:58.378Z",
    "dateUpdated": "2026-09-03T17:06:17.827Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-58400\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-09-03T18:17:22.827\",\"lastModified\":\"2026-09-03T18:17:22.827\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"GeoNetwork is a catalog application to manage spatially referenced resources. Prior to versions 4.4.12 and 4.2.17, the Saxon XSLT processor used to render formatters is configured without secure processing (`FEATURE_SECURE_PROCESSING`) and without disabling Java extension functions (`ALLOW_EXTERNAL_FUNCTIONS`). Any stylesheet loaded by GeoNetwork can therefore invoke\\n`java.lang.Runtime.exec()` or `java.lang.ProcessBuilder` directly, achieving arbitrary command execution as the GeoNetwork process user. A user with sufficient privileges to upload a formatter can deliver a `.xsl` file containing Java extension call that execute arbitrary OS commands with the privileges of the GeoNetwork process. The issue is patched in GeoNetwork versions 4.4.12 and 4.2.17.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"geonetwork\",\"product\":\"core-geonetwork\",\"versions\":[{\"version\":\"\u003e= 4.3.0, \u003c 4.4.12\",\"status\":\"affected\"},{\"version\":\"\u003c 4.2.17\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.3,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"},{\"lang\":\"en\",\"value\":\"CWE-470\"}]}],\"references\":[{\"url\":\"https://docs.geonetwork-opensource.org/4.2/overview/change-log/version-4.2.17\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://docs.geonetwork-opensource.org/4.4/overview/change-log/version-4.4.12\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-x898-729x-cc3r\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://thehackernews.com/2026/09/geonetwork-fixes-unauthenticated-rce.html\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}