Auth bypass in Linuxfoundation Strimzi
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 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.
Vulnerability class: Information Disclosure
EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Linuxfoundation Strimzi
- Strimzi Strimzi-kafka-operator — versions >= 0.47.0, < 0.49.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-66623?
- CVE-2025-66623 is a high-severity vulnerability in Linuxfoundation Strimzi, classified under Information Disclosure. CVSS score: 7.4/10. Published 2025-12-05.
- How severe is CVE-2025-66623?
- High severity. CVSS v3 base score is 7.4 out of 10.