What is CVE-2026-41727?

CVE-2026-41727 is a medium-severity vulnerability in Spring For Apache Kafka, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-06-10.

How severe is CVE-2026-41727?

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

Improper input validation in Spring For Apache Kafka

CVE-2026-41727

Spring Kafka's retry topic infrastructure did not sufficiently validate user-controlled header values before acting on them. A producer could send a record with a crafted retry_topic-attempts header to supply an out-of-range attempt count…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (15.3th 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-20 — Improper Input Validation

References

security@vmware.com (Third Party Advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41727?: CVE-2026-41727 is a medium-severity vulnerability in Spring For Apache Kafka, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-06-10.
How severe is CVE-2026-41727?: Medium severity. CVSS v3 base score is 6.5 out of 10.