Is org.apache.kafka:kafka-clients affected by CVE-2026-35554?

Maven org.apache.kafka:kafka-clients is affected in >=2.8.0 =4.0.0 =4.1.0 <4.1.2.

Is CVE-2026-35554 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-35554

Q: Is CVE-2026-35554 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Maven · org.apache.kafka:kafka-clients

Summary

Apache Kafka Clients: Kafka Producer Message Corruption and Misrouting via Buffer Pool Race Condition

Severity: high
EPSS: 0.3% (p24)
Also known as: GHSA-5qcv-4rpc-jp93
Published: 2026-04-07

References

https://nvd.nist.gov/vuln/detail/CVE-2026-35554
https://github.com/apache/kafka/pull/21065
https://github.com/apache/kafka/pull/21285

Related advisories

CVE-2026-33557 — critical · Maven/org.apache.kafka:kafka-clients
CVE-2026-33558 — medium · Maven/org.apache.kafka:kafka-clients
CVE-2025-27817 — medium · Maven/org.apache.kafka:kafka-clients
CVE-2024-31141 — medium · Maven/org.apache.kafka:kafka-clients

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.