# Apache Kafka vulnerabilities Source: https://junglewise.ai/threats/technologies/kafka Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/kafka.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 13 vulnerabilities in Apache Kafka: 0 in the last 7 days and 9 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-83525, was published on 28 October 2026. 9 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 9 - Last 90 days: 9 - All time: 13 (1 critical, 0 exploited in the wild) ## About Apache Kafka A distributed event store and stream-processing platform for handling real-time data feeds. ## Latest Apache Kafka vulnerabilities - [CVE-2026-83525: Apache Kafka incorrect operator in FetchSnapshot RPC handler](https://junglewise.ai/threats/cve-2026-83525-incorrect-operator-cwe-480-in-the-fetchsnapshot-rpc-handler-in) (info, published 28 Oct 2026) - [CVE-2026-114349: Apache Kafka memory exhaustion in compressed record batch decoding](https://junglewise.ai/threats/cve-2026-114349-when-a-broker-decodes-a-compressed-record-batch-the-per-record) (info, published 28 Oct 2026) - [CVE-2026-112375: Apache Kafka information disclosure via ConfigProvider in AlterConfigs](https://junglewise.ai/threats/cve-2026-112375-an-authenticated-kafka-principal-with-no-authorization-grants) (info, published 28 Oct 2026) - [CVE-2026-111551: Apache Kafka deserialization denial of service via oversized allocation](https://junglewise.ai/threats/cve-2026-111551-several-kafka-deserialization-paths-read-a-size-or-count-field) (info, published 28 Oct 2026) - [CVE-2026-111115: Apache Kafka unbounded tagged-field allocation in flexible protocol headers](https://junglewise.ai/threats/cve-2026-111115-apache-kafka-s-code-generated-readers-for-flexible-protocol) (info, published 28 Oct 2026) - [CVE-2026-111108: Apache Kafka denial of service in protocol parsing](https://junglewise.ai/threats/cve-2026-111108-apache-kafka-s-code-generated-protocol-readers-pre-size-an-array) (info, published 28 Oct 2026) - [CVE-2026-111073: Apache Kafka broker heap exhaustion in PushTelemetry API](https://junglewise.ai/threats/cve-2026-111073-the-broker-side-pushtelemetry-api-kip-714-validates-only-the) (info, published 28 Oct 2026) - [CVE-2026-110985: Apache Kafka SASL/OAUTHBEARER authentication bypass via missing JWT signature verification](https://junglewise.ai/threats/cve-2026-110985-a-kafka-broker-using-sasl-oauthbearer-with-the-default-validator) (info, published 28 Oct 2026) - [CVE-2026-110952: Apache Kafka SASL/OAUTHBEARER issuer and audience validation bypass](https://junglewise.ai/threats/cve-2026-110952-a-kafka-broker-that-authenticates-clients-with-sasl-oauthbearer) (info, published 28 Oct 2026) - [CVE-2026-41115: Apache Kafka improper authorization in CONSUMER_GROUP_DESCRIBE API](https://junglewise.ai/threats/cve-2026-41115-apache-kafka-improper-authorization-in-consumer-group-describe) (info, CVSS 0, published 2 Jun 2026) - [CVE-2026-33558: Apache Kafka exposes sensitive information in its DEBUG logs](https://junglewise.ai/threats/cve-2026-33558-apache-kafka-exposes-sensitive-information-in-its-debug-logs) (medium, CVSS 5.3, published 20 Apr 2026) - [CVE-2026-33557: Apache Kafka authentication bypass via improper JWT validation](https://junglewise.ai/threats/cve-2026-33557-apache-kafka-authentication-bypass-via-improper-jwt-validation) (critical, CVSS 9.1, published 20 Apr 2026) - [CVE-2026-35554: Apache Kafka Kafka Clients race condition in Kafka Producer](https://junglewise.ai/threats/cve-2026-35554-apache-kafka-kafka-clients-race-condition-in-kafka-producer) (high, CVSS 8.7, published 7 Apr 2026) ## Most severe Apache Kafka vulnerabilities - [CVE-2026-33557: Apache Kafka authentication bypass via improper JWT validation](https://junglewise.ai/threats/cve-2026-33557-apache-kafka-authentication-bypass-via-improper-jwt-validation) (critical, CVSS 9.1, published 20 Apr 2026) - [CVE-2026-35554: Apache Kafka Kafka Clients race condition in Kafka Producer](https://junglewise.ai/threats/cve-2026-35554-apache-kafka-kafka-clients-race-condition-in-kafka-producer) (high, CVSS 8.7, published 7 Apr 2026) - [CVE-2026-33558: Apache Kafka exposes sensitive information in its DEBUG logs](https://junglewise.ai/threats/cve-2026-33558-apache-kafka-exposes-sensitive-information-in-its-debug-logs) (medium, CVSS 5.3, published 20 Apr 2026) - [CVE-2026-41115: Apache Kafka improper authorization in CONSUMER_GROUP_DESCRIBE API](https://junglewise.ai/threats/cve-2026-41115-apache-kafka-improper-authorization-in-consumer-group-describe) (info, CVSS 0, published 2 Jun 2026) - [CVE-2026-83525: Apache Kafka incorrect operator in FetchSnapshot RPC handler](https://junglewise.ai/threats/cve-2026-83525-incorrect-operator-cwe-480-in-the-fetchsnapshot-rpc-handler-in) (info, published 28 Oct 2026) - [CVE-2026-114349: Apache Kafka memory exhaustion in compressed record batch decoding](https://junglewise.ai/threats/cve-2026-114349-when-a-broker-decodes-a-compressed-record-batch-the-per-record) (info, published 28 Oct 2026) - [CVE-2026-112375: Apache Kafka information disclosure via ConfigProvider in AlterConfigs](https://junglewise.ai/threats/cve-2026-112375-an-authenticated-kafka-principal-with-no-authorization-grants) (info, published 28 Oct 2026) - [CVE-2026-111551: Apache Kafka deserialization denial of service via oversized allocation](https://junglewise.ai/threats/cve-2026-111551-several-kafka-deserialization-paths-read-a-size-or-count-field) (info, published 28 Oct 2026) - [CVE-2026-111115: Apache Kafka unbounded tagged-field allocation in flexible protocol headers](https://junglewise.ai/threats/cve-2026-111115-apache-kafka-s-code-generated-readers-for-flexible-protocol) (info, published 28 Oct 2026) - [CVE-2026-111108: Apache Kafka denial of service in protocol parsing](https://junglewise.ai/threats/cve-2026-111108-apache-kafka-s-code-generated-protocol-readers-pre-size-an-array) (info, published 28 Oct 2026) ## Vulnerabilities per week 9 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 9 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Apache technologies - [Apache Airflow](https://junglewise.ai/threats/technologies/airflow): 95 vulnerabilities - [Apache Camel](https://junglewise.ai/threats/technologies/camel): 87 vulnerabilities - [Apache Tomcat](https://junglewise.ai/threats/technologies/tomcat): 87 vulnerabilities - [Apache Thrift](https://junglewise.ai/threats/technologies/thrift): 77 vulnerabilities - [Apache Ofbiz](https://junglewise.ai/threats/technologies/ofbiz): 67 vulnerabilities - [Apache HTTP Server](https://junglewise.ai/threats/technologies/http-server): 62 vulnerabilities - [Apache Traffic Server](https://junglewise.ai/threats/technologies/traffic-server): 55 vulnerabilities - [Apache Brpc](https://junglewise.ai/threats/technologies/brpc): 36 vulnerabilities - [Apache Roller](https://junglewise.ai/threats/technologies/roller): 30 vulnerabilities - [Apache CloudStack](https://junglewise.ai/threats/technologies/cloudstack): 28 vulnerabilities - [Apache ActiveMQ](https://junglewise.ai/threats/technologies/activemq): 27 vulnerabilities - [Apache Apisix](https://junglewise.ai/threats/technologies/apisix): 27 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Apache Kafka vulnerabilities", https://junglewise.ai/threats/technologies/kafka, 12 November 2026.