{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "org.apache.struts:struts2-core",
          "product": "Apache Struts",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "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": "Michael Mullins"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Uncontrolled resource consumption vulnerability in Apache Struts. An application that exposes an endpoint collecting Content Security Policy violation reports reads the submitted report into memory without bounding how much it will accept, so a single request can exhaust the heap and deny service to other users. Such endpoints are ordinarily reachable without authentication. The core distribution maps no such endpoint by default; applications that do not collect violation reports are not affected.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Struts: from 6.0.0 through 6.10.0, from 7.0.0 through 7.2.1.\u003cbr\u003e\u003cbr\u003eUsers are recommended to upgrade to version 6.11.0 or 7.3.0, which fixes the issue."
            }
          ],
          "value": "Uncontrolled resource consumption vulnerability in Apache Struts. An application that exposes an endpoint collecting Content Security Policy violation reports reads the submitted report into memory without bounding how much it will accept, so a single request can exhaust the heap and deny service to other users. Such endpoints are ordinarily reachable without authentication. The core distribution maps no such endpoint by default; applications that do not collect violation reports are not affected.\n\nThis issue affects Apache Struts: 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-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-15T10:37:37.892Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://cwiki.apache.org/confluence/display/WW/S2-073"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Apache Struts: Unbounded read of a Content Security Policy violation report",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-73634",
    "datePublished": "2026-08-15T10:37:37.892Z",
    "dateReserved": "2026-08-13T11:52:13.479Z",
    "dateUpdated": "2026-08-15T10:37:37.892Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-73634\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2026-08-15T11:16:27.427\",\"lastModified\":\"2026-08-15T11:16:27.427\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Uncontrolled resource consumption vulnerability in Apache Struts. An application that exposes an endpoint collecting Content Security Policy violation reports reads the submitted report into memory without bounding how much it will accept, so a single request can exhaust the heap and deny service to other users. Such endpoints are ordinarily reachable without authentication. The core distribution maps no such endpoint by default; applications that do not collect violation reports are not affected.\\n\\nThis issue affects Apache Struts: 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.\"}],\"affected\":[{\"source\":\"security@apache.org\",\"affectedData\":[{\"vendor\":\"Apache Software Foundation\",\"product\":\"Apache Struts\",\"defaultStatus\":\"unaffected\",\"packageName\":\"org.apache.struts:struts2-core\",\"versions\":[{\"version\":\"6.0.0\",\"lessThanOrEqual\":\"6.10.0\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"7.0.0\",\"lessThanOrEqual\":\"7.2.1\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"security@apache.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"references\":[{\"url\":\"https://cwiki.apache.org/confluence/display/WW/S2-073\",\"source\":\"security@apache.org\"}]}}"
  }
}