High 8.7Published Nov 5, 2025

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

Updated under an hour ago (Oct 27, 2026, 1:30 PM ET)

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It affects 3scale-sre marin3r. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for 3scale-sre marin3r

Exploited in the last 30 days

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.

CVSS: 8.7 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Nov 6, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

3scale-sre marin3r 3scale_sre:marin3r (from the name)	before 0.13.4	CNA record

References

References

https://github.com/3scale-sre/marin3r/security/advisories/GHSA-gf93-xccm-5g6j	x-refsource-confirm
https://github.com/3scale-sre/marin3r/commit/859b14115fde1d67620e645cd1b62e90e30d9981	x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.