CVE-2025-64171

MARIN3R: Cross-Namespace Vulnerability in the Operator

Published Nov 6, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-gf93-xccm-5g6j MARIN3R: Cross-Namespace Vulnerability in the Operator
History
Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Marin3r
Marin3r marin3r
Vendors & Products Marin3r
Marin3r marin3r
Type Values Removed Values Added
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.
Title MARIN3R: Cross-Namespace Vulnerability in the Operator
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 6, 2025, 9:17 PM
Reserved
Oct 28, 2025, 9:07 PM
Status
Deferred
Published
Nov 6, 2025, 1:15 AM
Modified
Jun 17, 2026, 9:53 AM
Severity
Moderate
Public date
Nov 6, 2025, 12:23 AM