FKIE_CVE-2026-41726

Vulnerability from fkie_nvd - Published: 2026-06-10 00:16 - Updated: 2026-07-23 09:10
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending records with unique random spring.kafka.serialization.selector header values, eventually causing GC thrash and OutOfMemoryError. Affected versions: Spring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.
References
security@vmware.comhttps://spring.io/security/cve-2026-41726Vendor Advisory
Impacted products
Vendor Product Version
vmware spring_for_apache_kafka *
vmware spring_for_apache_kafka *
vmware spring_for_apache_kafka *
vmware spring_for_apache_kafka *
vmware spring_for_apache_kafka *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring for Apache Kafka",
          "vendor": "Spring",
          "versions": [
            {
              "lessThan": "4.0.5.1",
              "status": "affected",
              "version": "4.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.3.15.1",
              "status": "affected",
              "version": "3.3.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.2.14",
              "status": "affected",
              "version": "3.2.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2.9.14",
              "status": "affected",
              "version": "2.9.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2.8.12",
              "status": "affected",
              "version": "2.8.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@vmware.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1B04126-FFDD-4EC7-B4B9-3050489B3682",
              "versionEndExcluding": "2.8.12",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA023945-8D2F-4B64-8819-AA41F087BC18",
              "versionEndExcluding": "2.9.14",
              "versionStartIncluding": "2.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "63E0CB29-F9CC-498A-8795-1344AECBBA74",
              "versionEndExcluding": "3.2.14",
              "versionStartIncluding": "3.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2A5CE749-924C-46F0-AD18-1FAE9FA29FCC",
              "versionEndExcluding": "3.3.15.1",
              "versionStartIncluding": "3.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "00C97EF8-CDE8-47B9-B1B6-9DE53F3FF907",
              "versionEndExcluding": "4.0.5.1",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When an application opts into DelegatingDeserializer, a producer can grow the consumer\u0027s heap without bound by sending records with unique random spring.kafka.serialization.selector header values, eventually causing GC thrash and OutOfMemoryError.\n\nAffected versions:\nSpring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11."
    },
    {
      "lang": "es",
      "value": "Cuando una aplicaci\u00f3n opta por DelegatingDeserializer, un productor puede aumentar el heap del consumidor sin l\u00edmite enviando registros con valores de encabezado spring.kafka.serialization.selector \u00fanicos aleatorios, lo que finalmente causa agotamiento del GC y OutOfMemoryError.\n\nVersiones afectadas:\nSpring for Apache Kafka 4.0.0 hasta 4.0.5; 3.3.0 hasta 3.3.15; 3.2.0 hasta 3.2.13; 2.9.0 hasta 2.9.13; 2.8.0 hasta 2.8.11."
    }
  ],
  "id": "CVE-2026-41726",
  "lastModified": "2026-07-23T09:10:00.113",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security@vmware.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41726",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T17:38:31.984058Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-10T00:16:52.030",
  "references": [
    {
      "source": "security@vmware.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://spring.io/security/cve-2026-41726"
    }
  ],
  "sourceIdentifier": "security@vmware.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "security@vmware.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.