{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58400", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-30T18:19:58.378Z", "datePublished": "2026-09-03T17:06:17.827Z", "dateUpdated": "2026-09-04T13:42:08.271Z"}, "containers": {"cna": {"title": "GeoNetwork vulnerable to Remote Code Execution via unsafe Saxon XSLT processor configuration in formatter", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-470", "lang": "en", "description": "CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')", "type": "CWE"}]}], "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"}}], "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"}], "affected": [{"vendor": "geonetwork", "product": "core-geonetwork", "versions": [{"version": ">= 4.3.0, < 4.4.12", "status": "affected"}, {"version": "< 4.2.17", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-03T17:06:17.827Z"}, "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."}], "source": {"advisory": "GHSA-x898-729x-cc3r", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-03T17:49:43.605439Z", "id": "CVE-2026-58400", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-04T13:42:08.271Z"}}]}, "vulnerability-lookup:meta": {"epss": {"cve": "CVE-2026-58400", "date": "2026-09-20", "epss": "0.01187", "percentile": "0.66491"}, "nvd": "{\"cve\":{\"id\":\"CVE-2026-58400\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-09-03T18:17:22.827\",\"lastModified\":\"2026-09-09T21:09:13.080\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"GeoNetwork is a catalog application to manage spatially referenced resources. 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