cert-manager(v1.18.3): Enhanced Certificate Handling, Smarter Issuer Reconciliation, and Improved Diagnostics

📋 Recommended Actions ✅ No Immediate Action Required No immediate action required. This release primarily provides stability and quality-of-life improvements. Review the updates to leverage enhanced certificate handling and improve your troubleshooting experience. 📝 Summary cert-manager(v1.18.3) boosts reliability and user experience. It now supports significantly larger certificates and chains, crucial for complex deployments with many SANs. A critical fix prevents unnecessary certificate re-issuance stemming from IssuerRef defaulting. Plus, clearer error messages for malformed PEM data greatly simplify troubleshooting. Upgrade for a more stable and robust certificate management experience. ...

October 15, 2025 · Daniel Grenemark

cert-manager(v1.17.4): Critical Fix for URI Name Constraints Ensures Correct Certificate Issuance

📋 Recommended Actions ⚠️ Action Required Immediate upgrade recommended to ensure certificate name constraints are correctly applied, enhancing the security and validity of issued certificates. cert-manager v1.17.4 is a targeted patch release addressing a critical bug in how URI name constraints are applied during certificate signing request (CSR) generation. Previously, Permitted.URIDomains were incorrectly treated as excluded, potentially leading to misconfigurations in certificate issuance policies. This fix ensures that your defined URI name constraints are honored as intended, bolstering the integrity and security of your issued certificates. ...

July 2, 2025 · Daniel Grenemark

cert-manager(v1.17.2): Crucial Security Patches and Dependency Refresh

📋 Recommended Actions ⚠️ Action Required Immediate patching is highly recommended to address several security vulnerabilities in core dependencies and ensure the continued stability of your cert-manager deployments. This cert-manager v1.17.2 release delivers vital security updates by patching multiple Go dependencies that address various CVEs. Beyond these critical fixes, we’ve also refreshed our Go toolchain and base images, ensuring a more robust and secure foundation for your certificate management needs. ...

April 24, 2025 · Daniel Grenemark