PT-2025-45721 · Go · Github.Com/3Scale-Sre/Marin3R

Published 2025-11-04 · Updated 2025-11-04

OSV

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

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.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

GHSA-GF93-XCCM-5G6J

Affected Products

Github.Com/3Scale-Sre/Marin3R

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-64171 · Security Note
• https://osv.dev/vulnerability/GHSA-gf93-xccm-5g6j · Vendor Advisory
• https://github.com/3scale-sre/marin3r/pull/294 · Note
• https://github.com/3scale-sre/marin3r/commit/859b14115fde1d67620e645cd1b62e90e30d9981 · Note
• https://github.com/3scale-sre/marin3r/security/advisories/GHSA-gf93-xccm-5g6j · Note
• https://github.com/3scale-sre/marin3r/commit/c60246a43ae8c0c38dd7267f298d68a121a159fa · Note
• https://github.com/3scale-sre/marin3r · Note