What is CVE-2026-41726?

CVE-2026-41726 is a medium-severity vulnerability in Spring For Apache Kafka, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-06-10.

How severe is CVE-2026-41726?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Spring For Apache Kafka

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 OutOfMemo…

EPSS: 0.003 (21.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Spring For Apache Kafka — versions 4.0.0, 3.3.0, 3.2.0
Vmware Spring_for_apache_kafka

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@vmware.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-41726?: CVE-2026-41726 is a medium-severity vulnerability in Spring For Apache Kafka, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-06-10.
How severe is CVE-2026-41726?: Medium severity. CVSS v3 base score is 6.5 out of 10.