{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-09-14T14:13:34.520Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/09/13/14"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/09/13/23"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.storm:storm-server",
          "product": "Apache Storm Nimbus",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.1.0",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.storm:storm-client",
          "product": "Apache Storm Client",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.1.0",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "The ASF using Claude Agents"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cb\u003eDescription\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eWhen ZooKeeper authentication is configured, Storm deliberately retains\u003cbr\u003e`storm.zookeeper.topology.auth.payload` in the topology configuration, because workers need it. Nimbus then\u003cbr\u003eserved that configuration verbatim to any caller holding read-only topology permissions, so a user whose\u003cbr\u003eonly grant was the ability to view a topology received its ZooKeeper credential.\u003cbr\u003e\u003cbr\u003eThat credential is not read-only. The cluster state implementation uses write-capable ACLs for worker\u003cbr\u003eheartbeats, backpressure and error state, so a recipient can forge or remove that state for the topology\u003cbr\u003econcerned. It is not a write credential on assignments.\u003cbr\u003e\u003cbr\u003eThe same advisory covers the submission client, which logged the generated payload at INFO on every\u003cbr\u003esubmission that generated one, and the SASL handlers, which logged it at DEBUG. The credential therefore\u003cbr\u003ealso reached any log aggregation or support bundle collected from the cluster.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMitigation\u003c/b\u003e\u003cbr\u003e\u003cbr\u003eUpgrade to 3.1.0, where the payload is removed from the configuration served to read-only callers and is no\u003cbr\u003elonger written to logs.\u003cbr\u003e\u003cbr\u003eUsers who cannot upgrade immediately should rotate `storm.zookeeper.topology.auth.payload` for existing\u003cbr\u003etopologies, review retained logs and support bundles for the value, and restrict read-only topology\u003cbr\u003epermissions to trusted principals.\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."
            }
          ],
          "value": "Description\n\nWhen ZooKeeper authentication is configured, Storm deliberately retains\n`storm.zookeeper.topology.auth.payload` in the topology configuration, because workers need it. Nimbus then\nserved that configuration verbatim to any caller holding read-only topology permissions, so a user whose\nonly grant was the ability to view a topology received its ZooKeeper credential.\n\nThat credential is not read-only. The cluster state implementation uses write-capable ACLs for worker\nheartbeats, backpressure and error state, so a recipient can forge or remove that state for the topology\nconcerned. It is not a write credential on assignments.\n\nThe same advisory covers the submission client, which logged the generated payload at INFO on every\nsubmission that generated one, and the SASL handlers, which logged it at DEBUG. The credential therefore\nalso reached any log aggregation or support bundle collected from the cluster.\n\nMitigation\n\nUpgrade to 3.1.0, where the payload is removed from the configuration served to read-only callers and is no\nlonger written to logs.\n\nUsers who cannot upgrade immediately should rotate `storm.zookeeper.topology.auth.payload` for existing\ntopologies, review retained logs and support bundles for the value, and restrict read-only topology\npermissions to trusted principals.\n\nCredit\n\nThe ASF -- found using Claude agents to study the security of open-source projects, validated and reported by Apache Storm."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-522",
              "description": "CWE-522 Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-532",
              "description": "CWE-532 Insertion of Sensitive Information into Log File",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-14T14:10:15.326Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/1t7hggrz59rdq792qm1pnkqj0ogm2szq"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache Storm Nimbus, Apache Storm Client: Disclosure of the Topology ZooKeeper Credential to Read-Only Users and to Logs",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-82434",
    "datePublished": "2026-09-14T14:10:15.326Z",
    "dateReserved": "2026-08-29T10:28:41.032Z",
    "dateUpdated": "2026-09-14T14:13:34.520Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}