GitHub Advisoryadvisory · Maven

GHSA-xvfq-4q6q-gxx7 In Spring for Apache Kafka, unbounded delegate cache keyed on user-controlled, potentially malicious selector header

MEDIUM Published 2026-06-10 Modified 2026-06-12 Official page ↗
Aliases
CVE-2026-41726
Ecosystem
Maven
Packages
org.springframework.kafka:spring-kafka
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-770
Reviewed
2026-06-12

Affected packages

• Maven org.springframework.kafka:spring-kafka: >= 4.0.0, < 4.0.6 → fixed in 4.0.6 • Maven org.springframework.kafka:spring-kafka: >= 3.3.0, < 3.3.16 → fixed in 3.3.16 • Maven org.springframework.kafka:spring-kafka: >= 3.2.0, <= 3.2.13 (no fix yet) • Maven org.springframework.kafka:spring-kafka: >= 2.9.0, <= 2.9.13 (no fix yet) • Maven org.springframework.kafka:spring-kafka: <= 2.8.11 (no fix yet)

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.

Related

Alias · CVE (1)

  • CVE-2026-41726 When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending records with unique… vulnerability

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References