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Vulnerabilities

Vulnerability · CVE-2025-64171

MARIN3R is a lightweight, CRD based envoy control plane for kubernetes.

Published Nov 6, 2025 · catalog updated Nov 6, 2025 · MARIN3R is a lightweight,

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64171. EPSS is 0.22%. Act only if a listed version of MARIN3R is a lightweight, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (MARIN3R is a lightweight,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Version ranges on file
Affected products
vendor 3scale-sre marin3r < 0.13.4

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor 3scale-sre marin3r < 0.13.4< 0.13.4

How to fix CVE-2025-64171

  • Upgrade

    CVE-2025-64171 lists a fix boundary at 0.13.4. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 0.13.4

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64171. EPSS is 0.22%. Act only if a listed version of MARIN3R is a lightweight, is installed.

Which versions are affected?

Compare what you have installed with 3scale-sre marin3r < 0.13.4 < 0.13.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Kubernetes security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 6, 2025 · EUVD

    Detected

    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.

  2. Nov 6, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-64171

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-37859

    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 namespace

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026