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          "dateUpdated": "2026-09-14T14:13:37.157Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/09/13/15"
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        "title": "CVE Program Container"
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      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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          {
            "other": {
              "content": {
                "id": "CVE-2026-82435",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2026-09-14T19:55:21.391781Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-09-14T19:55:40.664Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.storm:storm-client",
          "product": "Apache Storm Worker",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.1.0",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
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        }
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      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "The ASF using Claude Agents"
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              "value": "\u003cb\u003eDescription\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eThe worker\u0027s Netty message decoder is installed ahead of the SASL authentication handlers in the pipeline\u003cbr\u003eand acts on frames before any authentication has taken place. It allocated buffers sized from a\u003cbr\u003elength field carried in the frame, so a single frame from an unauthenticated peer able to reach a worker\u003cbr\u003eslot port could drive a large allocation.\u003cbr\u003e\u003cbr\u003e`storm.messaging.netty.authentication` defaults to false, and the decoder runs before the handler that\u003cbr\u003eenforces it in any case, so no credentials are required. The attacker needs only TCP reachability to a\u003cbr\u003eworker port.\u003cbr\u003e\u003cbr\u003eThe effect of a single frame at the default 768 MB worker heap has not been measured to distinguish\u003cbr\u003esustained worker loss from transient garbage-collection pressure. The severity assigned to this advisory\u003cbr\u003ereflects the more conservative reading; consumers who require a precise figure should test against their own\u003cbr\u003eworker heap configuration.\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e\u003cb\u003eMitigation\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eUpgrade to 3.1.0, where frames are decoded only after the handshake completes.\u003cbr\u003e\u003cbr\u003eUsers who cannot upgrade immediately should ensure that worker slot ports are reachable only from within the\u003cbr\u003ecluster, as the security model already recommends, and should enable\u003cbr\u003e`storm.messaging.netty.authentication` where the deployment permits it.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCredit\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eThe ASF -- found using Claude agents to study the security of open-source projects, validated and reported by Apache Storm.\u003cbr\u003e\u003c/div\u003e"
            }
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        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "important"
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            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "CWE-789 Memory allocation with excessive size value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
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      "providerMetadata": {
        "dateUpdated": "2026-09-14T14:09:20.374Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
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      "references": [
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          "tags": [
            "vendor-advisory"
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          "url": "https://lists.apache.org/thread/wqfy7qb8c76f4c3wr2w6bhoz62vcnpb7"
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      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache Storm Worker: Unauthenticated Remote Memory Exhaustion in the Worker Messaging Decoder",
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    "assignerShortName": "apache",
    "cveId": "CVE-2026-82435",
    "datePublished": "2026-09-14T14:09:20.374Z",
    "dateReserved": "2026-08-29T10:31:41.545Z",
    "dateUpdated": "2026-09-14T19:55:40.664Z",
    "state": "PUBLISHED"
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