org.apache.kafka:kafka-clients (Maven) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the Maven package org.apache.kafka:kafka-clients, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (7)

• CVE-2026-33557 — CVSS 9.1 (critical): A possible security vulnerability has been identified in Apache Kafka. By default, the broker property `sasl.oauthbearer.jwt.validator.class…
• CVE-2026-35554 — CVSS 8.7 (high): A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to…
• CVE-2025-27817 — CVSS 7.5 (high): A possible arbitrary file read and SSRF vulnerability has been identified in Apache Kafka Client. Apache Kafka Clients accept configuration…
• CVE-2017-12610 — CVSS 6.8 (medium): In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted…
• CVE-2024-31141 — CVSS 6.5 (medium): Files or Directories Accessible to External Parties, Improper Privilege Management vulnerability in Apache Kafka Clients. Apache Kafka…
• CVE-2021-38153 — CVSS 5.9 (medium): Some components in Apache Kafka use `Arrays.equals` to validate a password or key, which is vulnerable to timing attacks that make brute…
• CVE-2026-33558 — CVSS 5.3 (medium): Information exposure vulnerability has been identified in Apache Kafka. The NetworkClient component will output entire requests and…