{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73635", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-08-13T11:52:36.541Z", "datePublished": "2026-08-15T10:38:08.227Z", "dateUpdated": "2026-08-15T10:38:08.227Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "org.apache.struts:struts2-core", "product": "Apache Struts", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.3.37", "status": "affected", "version": "2.0.0", "versionType": "semver"}, {"lessThanOrEqual": "2.5.33", "status": "affected", "version": "2.5.0", "versionType": "semver"}, {"lessThanOrEqual": "6.10.0", "status": "affected", "version": "6.0.0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.1", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Kuniyoshi Noguchi (\u91ce\u53e3 \u664b\u7fa9), (@KuniNogu)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Allocation of resources without limits or throttling vulnerability in Apache Struts. When no fixed locale is configured, the locale used for localized-text lookups is taken from the incoming request, allowing an unauthenticated remote client to cause the framework's internal localized-text caches to grow without bound and exhaust the Java heap, denying service to other users. Applications that configure a fixed locale are not affected.<br><br>This issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.10.0, from 7.0.0 through 7.2.1.<br><br>Users are recommended to upgrade to version 6.11.0 or 7.3.0, which fixes the issue."}], "value": "Allocation of resources without limits or throttling vulnerability in Apache Struts. When no fixed locale is configured, the locale used for localized-text lookups is taken from the incoming request, allowing an unauthenticated remote client to cause the framework's internal localized-text caches to grow without bound and exhaust the Java heap, denying service to other users. Applications that configure a fixed locale are not affected.\n\nThis issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.10.0, from 7.0.0 through 7.2.1.\n\nUsers are recommended to upgrade to version 6.11.0 or 7.3.0, which fixes the issue."}], "metrics": [{"other": {"content": {"text": "moderate"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-15T10:38:08.227Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://cwiki.apache.org/confluence/display/WW/S2-074"}], "source": {"discovery": "EXTERNAL"}, "title": "Apache Struts: Unbounded growth of localized-text caches driven by the request locale", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "org.apache.struts:struts2-core", "product": "Apache Struts", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.3.37", "status": "affected", "version": "2.0.0", "versionType": "semver"}, {"lessThanOrEqual": "2.5.33", "status": "affected", "version": "2.5.0", "versionType": "semver"}, {"lessThanOrEqual": "6.10.0", "status": "affected", "version": "6.0.0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.1", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Allocation of resources without limits or throttling vulnerability in Apache Struts. When no fixed locale is configured, the locale used for localized-text lookups is taken from the incoming request, allowing an unauthenticated remote client to cause the framework's internal localized-text caches to grow without bound and exhaust the Java heap, denying service to other users. Applications that configure a fixed locale are not affected.\n\nThis issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.10.0, from 7.0.0 through 7.2.1.\n\nUsers are recommended to upgrade to version 6.11.0 or 7.3.0, which fixes the issue."}], "id": "CVE-2026-73635", "lastModified": "2026-08-15T11:16:27.540", "metrics": {}, "published": "2026-08-15T11:16:27.540", "references": [{"source": "security@apache.org", "url": "https://cwiki.apache.org/confluence/display/WW/S2-074"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security@apache.org", "type": "Primary"}]}

{}

{}