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CVE-2025-66623

7.4 · HIGH

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations.

Published Dec 5, 2025CWE-200EPSS 0.17%

Overview

CVE-2025-66623 is a high-severity vulnerability. It was published on December 5, 2025 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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 incorrect Kubernetes Role which grants the Apache Kafka Connect and Apache Kafka MirrorMaker 2 operands the GET access to all Kubernetes Secrets that exist in the given Kubernetes namespace. The issue is fixed in Strimzi 0.49.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/strimzi/strimzi-kafka-operator/commit/c8a14935e99c91eb0dd865431f46515da9f82cccGitHubgithub.com/strimzi/strimzi-kafka-operator/security/advisories/GHSA-xrhh-hx36-485q

How CyberStrike helps

Frequently asked questions

What is CVE-2025-66623?

CVE-2025-66623 is a high-severity vulnerability. It was published on December 5, 2025 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2025-66623?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-66623?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-66623?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-66623 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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