Improper Permissions in Strimzi Leading to Excessive Access to Kubernetes Secrets
CVE-2025-66623

7.4HIGH

Key Information:

Vendor

Strimzi

Status
Strimzi-kafka-operator
Vendor
CVE Published:
5 December 2025

What is CVE-2025-66623?

The Strimzi Kafka Operator, which enables the deployment of Apache Kafka clusters on Kubernetes or OpenShift, contains a vulnerability that can lead to improper access control. Specifically, in versions 0.47.0 through 0.48.0, a misconfigured Kubernetes Role may inadvertently allow Kafka Connect and MirrorMaker 2 components access to all Kubernetes Secrets within a namespace. This issue poses a significant risk as it could expose sensitive information stored in these Secrets. The vulnerability has been addressed in Strimzi version 0.49.1, where the correct Kubernetes Role permissions have been implemented.

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Affected Version(s)

strimzi-kafka-operator >= 0.47.0, < 0.49.1

References

https://github.com/strimzi/strimzi-kafka-operator/securit...
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https://github.com/strimzi/strimzi-kafka-operator/commit/...
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CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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