OpenBao 2.7 Adds External Keys and Quantum-Ready Cryptography
The open-source secrets manager expands scalability and security features for enterprise-grade deployments.
1OpenBao 2.7 Feature Expansion
OpenBao version 2.7 introduces significant enhancements, including read scaling for PostgreSQL-backed deployments and support for external hardware security modules. The update also implements control groups for sensitive operations, requiring human review for high-risk tasks. These changes aim to provide robust secrets management capabilities under an open-source governance model for modern infrastructure.
2Origins of the Project
The project emerged as a community fork of HashiCorp Vault following the 2023 transition from the Mozilla Public License to the Business Source License. Governed by the Linux Foundation's Open Source Security Foundation, OpenBao utilizes the MPL 2.0 license. It seeks to maintain open governance, avoiding control by a single vendor.
3Post-Quantum Cryptographic Readiness
Version 2.7 integrates ML-DSA and ML-KEM algorithms into TLS listeners and certificate authentication processes. While this does not guarantee full quantum safety, it allows operators to test hybrid configurations. This proactive measure addresses long-term security risks, specifically the potential for future decryption of currently recorded encrypted traffic by quantum computers.
4External Key Management Integration
The new release enables PKI and Transit secrets engines to utilize key material held in external HSMs or KMS platforms. By moving away from internal storage, organizations can maintain hardware-level control over high-value material. This functionality is delivered through third-party plugins, building on previous auto-unseal mechanisms developed by the community.
5Architectural Changes and Plugins
The release includes breaking changes, such as the externalization of the PKCS#11 plugin and the removal of the file storage backend. Vendor-specific auto-unseal mechanisms for major cloud providers have also transitioned into the openbao-plugins repository. These structural updates streamline the core codebase while maintaining flexibility through a modular plugin-based architecture.
6Commercial Ecosystem Growth
The OpenBao ecosystem is expanding with commercial support options like ControlPlane Enterprise. This service offers security hardening, FIPS 140-3 compliance support, and 24/7 technical assistance. Such offerings demonstrate how open-source projects can provide enterprise-style operational commitments while retaining a free license, effectively competing with proprietary alternatives through superior transparency and governance.
7Scalability and Performance Improvements
Following the introduction of namespaces and Raft storage scalability, version 2.7 extends read scalability to PostgreSQL backends. This allows standby instances to serve read requests, improving performance for distributed deployments. These improvements signify that OpenBao is evolving beyond a simple continuation of Vault, offering distinct technical advantages for large-scale production environments.
8Future Outlook for Migration
As OpenBao matures, teams evaluating migration must prioritize operational maturity over individual feature sets. Key considerations include plugin lifecycle management, high-availability configurations, and production support availability. With version 2.8 expected to focus on security and authentication, the project is positioning itself as a credible, long-term alternative for enterprise secrets management.
Original article: InfoQ — OpenBao 2.7 Adds External Keys and Quantum-Ready Cryptography