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    CVE-2026-41726

    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.

    Published:Jun 9, 2026
    Last Modified:Jun 10, 2026
    EPS:Jun 9, 2026
    EPSS Score:0.0004
    CVSS Score:6.5

    Affected Products

    Vendor
    Spring
    Product
    Spring For Apache Kafka
    Vendor
    Vmware
    Product
    Spring For Apache Kafka

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High