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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-41726

In Spring for Apache Kafka, unbounded delegate cache keyed on user-controlled, potentially malicious selector header

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Status
Published
Published
Updated
Assigning organization
vmware

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Spring Spring for Apache Kafka

Default version status: unaffected

  • 4.0.0 to < 4.0.5.1affected
  • 3.3.0 to < 3.3.15.1affected
  • 3.2.0 to < 3.2.14affected
  • 2.9.0 to < 2.9.14affected
  • 2.8.0 to < 2.8.12affected

References