Vulnerability · Published Nov 6, 2025 · Assigned by GitHub_M
CVE-2025-64171MARIN3R: Cross-Namespace Vulnerability in the Operator
High 8.7
In plain English
A high-severity missing authorization in marin3r from 3scale-sre. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/3scale-sre/marin3r | 0.13.4 | GHSA-gf93-xccm-5g6j |
| Go | github.com/3scale-sre/marin3r | 0.13.4 | GO-2025-4093 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 3scale-sre | marin3r | < 0.13.4 |
Weakness: CWE-862 · 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