InfraGuard
Sign in Try it now Buy now

Kafka 4.1 vulnerabilities

3 known CVEs affect the 4.1 line of Kafka.

9.1 max CVSS

Fixed in

4.1.2
Check your versionkafka-topics.sh --version

CVEs affecting 4.1

CVE Title CVSS Exploited EPSS Published
CVE-2026-33557 Apache Kafka: Missing JWT token validation in OAUTHBEARER authentication 9.1 — 2026-04-20
CVE-2026-35554 Apache Kafka Clients: Kafka Producer Message Corruption and Misrouting via Buffer Pool Race Condition 8.7 — 2026-04-07
CVE-2026-41115 Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE API 4.3 — 2026-06-02

Track these versions on your own servers

InfraGuard collects installed software versions from every server and flags the ones with known vulnerabilities. Self-hosted — nothing leaves your network.

Try the live demo Buy now

Weekly exploited-vulnerability digest

The KEV additions that matter for self-hosted servers, once a week. No other mail.

Data: CVE List (CVE® Program), NVD, CISA KEV, FIRST EPSS (see EPSS at https://www.first.org/epss), endoflife.date. Software list: awesome-selfhosted (CC BY-SA 3.0).