{
    "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 (野口 晋義), (@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"
            }
        }
    }
}