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CVE-2026-41726

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Spring / Spring for Apache Kafkaaffected 4.0.0 before 4.0.5.1; affected 3.3.0 before 3.3.15.1; affected 3.2.0 before 3.2.14; affected 2.9.0 before 2.9.14; affected 2.8.0 before 2.8.12

CWE

CWE-770

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.