High, CVSS 8.7GoPublished
MARIN3R: Cross-Namespace Vulnerability in the Operator
CVE-2025-64171 · GHSA-gf93-xccm-5g6j
- Affected
- Go github.com/3scale-sre/marin3r <= 0.13.3
- Fixed in
- 0.13.4· Vendor fix available
- Issue
- Cross-namespace Secret access vulnerability in DiscoveryServiceCertificate allows users to bypass RBAC and access Secrets in unauthorized namespaces. Affected Versions All versions prior to v0.13.4 Patched Versions v0.13.4 and later Impact Users with permission to create DiscoveryServiceCertificate resources in one namespace can indirectly read Secrets from other namespaces, completely bypassing Kubernetes RBAC security boundaries. Workarounds Restrict DiscoveryServiceCertificate create permissions to cluster administrators only until patched version is deployed. Credit Thanks to @debuggerchen for the responsible disclosure.
Recommended action: Upgrade to 0.13.4 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.