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CVE-2025-64171

High

Description

MARIN3R is a lightweight, CRD based envoy control plane for kubernetes. In versions 0.13.3 and below, there is a cross-namespace secret access vulnerability in the project's DiscoveryServiceCertificate which allows users to bypass RBAC and access secrets in unauthorized namespaces. This issue is fixed in version 0.13.4.

SeverityHigh
CVSS8.7
Exploit probability—
ProductGithub.com/3scale-sre/marin3r
PublishedNov 6, 2025
First seenNov 6, 2025
Weakness typeCWE-862Missing authorization

How to fix

Update
  • github.com/3scale-sre/marin3r0.13.4 or later

Affected products

ProductAffected versionsFixed in
github.com/3scale-sre/marin3rGov < 0.13.40.13.4

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