About “Apache Kafka”

A curated feed of “Apache Kafka”-related CVEs appears below. We currently track 30 CVEs for this tag (all time). In the last 365 days, 15 were published. Average CVSS is 7.0 (all time; 7.1 over 365d), and 60% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-502 - Deserialization of Untrusted Data, CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor, CWE-285 - Improper Authorization.

In our taxonomy this topic maps to a MODERATE impact class. Message brokers and streaming platforms require strict ACLs and TLS. Patch brokers and clients, isolate management ports, limit anonymous access, and set resource limits. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.

Support & lifecycle: apache-kafka

This table shows recent release cycles and their projected end-of-life. Data source: endoflife.date.

CycleReleaseLatestExtended SupportEOLLTS
4.34.3.0Unavailable-
4.24.2.1-
4.14.1.2-
4.04.0.2-
3.93.9.2-
3.83.8.1 Expired
3.73.7.2 Expired
3.63.6.2 Expired
3.53.5.2 Expired
3.43.4.1 Expired
3.33.3.2 Expired
3.23.2.3 Expired
3.13.1.2 Expired
3.03.0.2 Expired
2.82.8.2 Expired
2.72.7.2 Expired
2.62.6.3 Expired
2.52.5.1 Expired
2.42.4.1 Expired
2.32.3.1 Expired
2.22.2.2 Expired
2.12.1.1 Expired
2.02.0.1 Expired
1.11.1.1 Expired
1.01.0.2 Expired
0.110.11.0.3 Expired
0.100.10.2.2 Expired
0.90.9.0.1 Expired
0.80.8.2.2Unavailable Expired
0.70.7.2Unavailable Expired

Maintained Soon (≤ 180 days) Expired

Subscribe lifecycle: RSS  ·  RSS (expired)  ·  ICS

Subscribe CVEs: RSS for “Apache Kafka”  ·  RSS (High+Critical only)

CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).

CVSS ≥ 0.0
2026-06-02
Medium

CVE-2026-45080

Klaw is a self-service Apache Kafka Topic Management/Governance tool/portal. Prior to version 2.10.4, improper access control allows disclosure of password hash. This issue has been patched in versio…

Low

CVE-2026-44367

Klaw is a self-service Apache Kafka Topic Management/Governance tool/portal. Prior to version 2.10.4, a vulnerability exists in the user registration and login mechanisms due to inconsistent handling…

Medium

CVE-2026-41115

An improper authorization vulnerability has been identified in Apache Kafka. The implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead…

2026-04-20
Medium

CVE-2026-33558

Information exposure vulnerability has been identified in Apache Kafka. The NetworkClient component will output entire requests and responses information in the DEBUG log level in the logs. By defau…

Critical

CVE-2026-33557

A possible security vulnerability has been identified in Apache Kafka. By default, the broker property `sasl.oauthbearer.jwt.validator.class` is set to `org.apache.kafka.common.security.oauthbearer.…

2026-04-07
High

CVE-2026-35554

A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics. When a produce batch expires due to delivery.timeo…

2026-02-21
High

CVE-2026-27134

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In versions 0.49.0 through 0.50.0, when using a custom Cluster or Clients CA wi…

2026-02-20
Medium

CVE-2026-27133

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. From 0.47.0 to before 0.50.1, when a chain consisting of multiple CA (Certificat…

2026-02-11
High

CVE-2026-25999

Klaw is a self-service Apache Kafka Topic Management/Governance tool/portal. Prior to 2.10.2, there is an improper access control vulnerability that allows unauthorized users to trigger a reset or de…

2026-01-16
High

CVE-2026-23529

Kafka Connect BigQuery Connector is an implementation of a sink connector from Apache Kafka to Google BigQuery. Prior to 2.11.0, there is an arbitrary file read in Google BigQuery Sink connector. Aiv…

2025-12-05
High

CVE-2025-66623

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. From 0.47.0 and prior to 0.49.1, in some situations, Strimzi creates an incorrec…

2025-06-10
High

CVE-2025-27819

In CVE-2023-25194, we announced the RCE/Denial of service attack via SASL JAAS JndiLoginModule configuration in Kafka Connect API. But not only Kafka Connect API is vulnerable to this attack, the Apa…

High

CVE-2025-27818

A possible security vulnerability has been identified in Apache Kafka. This requires access to a alterConfig to the cluster resource, or Kafka Connect worker, and the ability to create/modify connect…

High

CVE-2025-27817

A possible arbitrary file read and SSRF vulnerability has been identified in Apache Kafka Client. Apache Kafka Clients accept configuration data for setting the SASL/OAUTHBEARER connection with the b…

2025-06-06
High

CVE-2025-49127

Kafbat UI is a web user interface for managing Apache Kafka clusters. An unsafe deserialization vulnerability in version 1.0.0 allows any unauthenticated user to execute arbitrary code on the server.…

2025-04-09
Medium

CVE-2025-30677

Apache Pulsar contains multiple connectors for integrating with Apache Kafka. The Pulsar IO Apache Kafka Source Connector, Sink Connector, and Kafka Connect Adaptor Sink Connector log sensitive confi…

2024-12-18
Medium

CVE-2024-56128

Incorrect Implementation of Authentication Algorithm in Apache Kafka's SCRAM implementation. Issue Summary: Apache Kafka's implementation of the Salted Challenge Response Authentication Mechanism (S…

2024-11-19
Medium

CVE-2024-31141

Files or Directories Accessible to External Parties, Improper Privilege Management vulnerability in Apache Kafka Clients. Apache Kafka Clients accept configuration data for customizing behavior, and…

2024-06-19
High

CVE-2024-32030

Kafka UI is an Open-Source Web UI for Apache Kafka Management. Kafka UI API allows users to connect to different Kafka brokers by specifying their network address and port. As a separate feature, it…

2024-04-12
High

CVE-2024-27309

While an Apache Kafka cluster is being migrated from ZooKeeper mode to KRaft mode, in some cases ACLs will not be correctly enforced. Two preconditions are needed to trigger the bug: 1. The administ…

2023-12-12
High

CVE-2023-36648

Missing authentication in the internal data streaming system in ProLion CryptoSpike 3.0.15P2 allows remote unauthenticated users to read potentially sensitive information and deny service to users by…

2023-08-24
Medium

CVE-2023-34040

In Spring for Apache Kafka 3.0.9 and earlier and versions 2.9.10 and earlier, a possible deserialization attack vector existed, but only if unusual configuration was applied. An attacker would have t…

2023-02-07
High

CVE-2023-25194

A possible security vulnerability has been identified in Apache Kafka Connect API. This requires access to a Kafka Connect worker, and the ability to create/modify connectors on it with an arbitrary…

2022-09-20
High

CVE-2022-34917

A security vulnerability has been identified in Apache Kafka. It affects all releases since 2.8.0. The vulnerability allows malicious unauthenticated clients to allocate large amounts of memory on br…

2021-09-22
Medium

CVE-2021-38153

Some components in Apache Kafka use `Arrays.equals` to validate a password or key, which is vulnerable to timing attacks that make brute force attacks for such credentials more likely to be successfu…

2020-01-14
High

CVE-2019-12399

When Connect workers in Apache Kafka 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.2.0, 2.2.1, or 2.3.0 are configured with one or more config providers, and a connector is created/updated on that Connect cluster to…

2019-07-11
High

CVE-2018-17196

In Apache Kafka versions between 0.11.0.0 and 2.1.0, it is possible to manually craft a Produce request which bypasses transaction/idempotent ACL validation. Only authenticated clients with Write per…

2018-11-06
High

CVE-2018-12413

The Schema repository server (tibschemad) component of TIBCO Software Inc.'s TIBCO Messaging - Apache Kafka Distribution - Schema Repository - Community Edition, and TIBCO Messaging - Apache Kafka Di…

2018-07-26
Medium

CVE-2018-1288

In Apache Kafka 0.9.0.0 to 0.9.0.1, 0.10.0.0 to 0.10.2.1, 0.11.0.0 to 0.11.0.2, and 1.0.0, authenticated Kafka users may perform action reserved for the Broker via a manually created fetch request in…

Medium

CVE-2017-12610

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 protocol message with SASL/PLAIN or SASL/SCRAM authentication w…

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