CVE-2025-64171 HIGH

CVE-2025-64171: MARIN3R: Cross-Namespace Vulnerability in the Operator

Vendor 3Scale-Sre
Product marin3r
Weakness CWE-862 · Missing authorization
Published November 6, 2025
Last update November 6, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 6, 2025 CVE published
November 6, 2025 Record updated