github openbao/openbao v2.7.0-beta20260909
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pre-release3 hours ago

FEATURES

  • External Keys: The PKI and Transit secret engines can now use KMS plugins to perform cryptographic operations without storing key material in OpenBao. [GH-3956]
    • Configure mappings to HSM or KMS-backed keys via the /sys/external-keys APIs and grant access to select mounts.
    • Use the PKI engine to sign certificates &co with external private keys.
    • Use the Transit engine to sign, verify, encrypt, and decrypt payloads with external key material.
    • Several KMS plugins provide support:
      • Support for PKCS#11-backed keys is included via the kms-pkcs11 plugin available in openbao-plugins.
      • Support for Transit-backed keys is built-in. This is similar in concept to the built-in Transit seal.
      • Like Auto Seal support via KMS plugins, the interface is provider-agnostic: Develop plugins and enable support for additional providers at any time.
  • ML-DSA Support in PKI: Introduces support for the ML-DSA (NIST's FIPS 204) signature algorithm for all CA, CSR, and leaf actions. [GH-3903]
    • ML-DSA is a widely standardized post-quantum cryptography (PQC) algorithm resistant to attacks from quantum computers.
    • Note that Go's OCSP implementation does not support ML-DSA so will be unusable with ML-DSA typed issuers.
  • ML-DSA Support in Transit: Introduces support for the ML-DSA (NIST's FIPS 204) signature algorithm. [GH-3909]
    • Generate, import, and export keys of type mldsa-44, mldsa-65 and mldsa-87.
    • Create and verify pure ML-DSA signatures.
  • Enable Pure-PQC TLS: TLS connections can now use pure post-quantum key exchanges and certificates. [GH-3769]
    • Operators can specify tls_key_exchange_preferences in server, agent, and proxy listeners to enforce PQC key exchange algorithms (SecP256r1MLKEM768, SecP384r1MLKEM1024, X25519MLKEM768, and MLKEM1024).
    • Operators can use ML-DSA certificates via these listeners as well.
    • Outbound TLS connections from OpenBao can now connect to servers with the above key exchange algorithms or presenting a ML-DSA server or CA certificate.
  • PostgreSQL Horizontal Scalability: Enable read scalability on the PostgreSQL storage backend similar to existing Raft support. [GH-3904]
    • Requires ha_enabled = true to be set and cluster_addr to be reachable (establishing a forwarding RPC connection) from standby nodes to the primary.
    • In the event of extended leadership loss, standby nodes will come up as read-enabled.
    • Only works with PostgreSQL physical replication; will not work with logical replication.
  • Strong Consistency Control: Support X-Vault-Index and X-Vault-Inconsistent headers to ensure client/server consistency. [GH-3839]
    • X-Vault-Index is now sent when a write is performed.
    • The X-Vault-Inconsistent request header can take the following values to control the fallback behavior when the node is out of date:
      • fail, to respond with 429 Too Many Requests and a Retry-After value,
      • forward-active-node to forward the request to the active node, or
      • await-state to hold the request locally to attempt to catch up, optionally falling back to one of the above behaviors (if also specified) or the server default.
    • On listeners, three new configuration parameters are now respected:
      • consistency_fallback_behavior to set the default fallback for await-state,
      • consistency_missing_header_forward to automatically forward requests which do not have any consistency control headers, and
      • consistency_max_index_wait to indicate the maximum amount of time await-state should pause before forwarding the request.
  • PebbleDB Storage Backend: This storage backend is a non-HA, durable backend using PebbleDB for transactions and improved performance. [GH-3879]
  • Control Groups: Add support for a new ACL policy stanza, control_group, which specifies when a second party must approve a request for a path. [GH-3436]

IMPROVEMENTS

  • command/server: Add tls_auto_reload configuration option to automatically reload TLS certificate and key files when their contents change, without requiring SIGHUP. [GH-3530]
  • command/server: Include disable_standby_reads, allow_unauthenticated_workflows, and unsafe_relative_paths in sanitized config output. [GH-3433]
  • command/status: Add support for -field argument to bao status. [GH-3750]
  • command/token: Add support for -field argument to bao token lookup. [GH-3618]
  • command/namespace/seal-status: Add support for -field and -format argument to bao namespace seal-status. [GH-3750]
  • core: Add support for revoke-self with wrapping tokens. [GH-3688]
  • core: Switch to cipher.NewGCMWithRandomNonce for fewer nonce generation calls. [GH-3290]
  • core/seal: Add configuration options to disable Auto Seal health checks and customize health check intervals and timeout. [GH-3653]
  • core/metrics: Report vault.core.unsealed=0 when OpenBao is sealed via dedicated metrics loop. [GH-3430]
  • core/server: Support storage-indicated index values in Server Side Consistent Tokens (SSCTs), improving their utility. Previously these tokens always had an index value of 0. [GH-3839]
  • core/plugins: Allow auth & secret mounts to automatically request the latest installed version of the underlying external plugin via plugin_version=latest. [GH-3914]
  • core/plugins: Allow pinning OCI-based plugins by manifest digest (e.g., ghcr.io/openbao/openbao-plugin-secrets-aws@sha256:<digest>) instead of providing the sha256sum of the inner plugin binary. [GH-3915]
  • core/plugins: Automatically determine binary_name for OCI plugins based on the image's ENTRYPOINT or CMD if unset in configuration. [GH-3760]
  • core/plugins: Reload KMS plugin configuration stanzas on SIGHUP and respawn plugin clients as needed, enabling plugin upgrades at runtime. [GH-3738]
  • storage/raft: Automatically create the storage directory if it does not exist. [GH-3649]
  • sys/raw: Allow reading backed up unseal or recovery shares. [GH-3863]
  • auth/cert: Add an Envoy decoder to x_forwarded_for_client_cert_decoders, enabling the processing of leaf certificates in the Envoy XFCC header. [GH-2863]
  • auth/oidc: Return oidc_discovery_url validation errors (like bad issuer) from the underlying library. [GH-3574]
  • secrets/pki: Support use_pss in issuers/generate/intermediate/:type calls, allowing for CSRs with PSS signatures from RSA-typed intermediates. [GH-3861]
  • secrets/pki: Add optional ACME client port and host configuration to support non-privileged operation when a load balancer forwards challenges from ports 80 and 443. [GH-3034]
  • packaging/container: Remove all VOLUME instructions. [GH-3711]
  • ui/secrets: Add "Show internal engines" button to, by default, hide the cubbyhole secret engine. [GH-3794]
  • ui: Update ember-data to 4.12.8. [GH-3816]

CHANGES

  • command/server: Remove file storage backend support. [GH-3879]
  • core/seal: The pkcs11, alicloudkms, awskms, azurekeyvault, gcpckms and ocikms seals are no longer built-in and must be installed as external plugins, as announced with the v2.6.0 release. [GH-3337]
  • core/plugins: Declarative plugin registration (plugin stanza) no longer requires setting a sha256sum for manually installed plugin binaries. [GH-3759]
  • core/plugins: Default the plugin_auto_register server configuration option to true. [GH-3910]
  • auth/kerberos: The built-in Kerberos auth engine has been removed from the main OpenBao binary distribution. It will be included in openbao-plugins going forward. [GH-3882]
  • auth/ldap: The built-in LDAP auth engine has been removed from the main OpenBao binary distribution. It will be included in openbao-plugins going forward. [GH-3882]
  • auth/radius: The built-in RADIUS auth engine has been removed from the main OpenBao binary distribution. It will be included in openbao-plugins going forward. [GH-3882]
  • secrets/ldap: The built-in LDAP secret engine has been removed from the main OpenBao binary distribution. It will be included in openbao-plugins going forward. [GH-3882]
  • secrets/pki: Due to a breaking change in Go 1.27, OpenBao will no longer accept FQDNs ending with a ., e.g., example.com.. [GH-3752]
  • sdk: Drop the helper/pointerutil package. Its functionality is natively available in Go as of 1.26 via new syntax around the new builtin. [GH-3532]
  • releases: Discontinue the HSM distribution of OpenBao, as announced with the v2.6.0 release. PKCS#11 functionality remains available via the PKCS#11 KMS plugin. [GH-3337]
  • packaging: The Go module was moved to github.com/openbao/openbao/v2 and large portions of the codebase were moved behind an internal/ package. As a result, packagers must update their -ldflags to embed version information at github.com/openbao/openbao/v2/internal/version instead of github.com/openbao/openbao/version. [GH-3210]

BUG FIXES

  • command: Fix -field= flag discarding API warnings (e.g., unrecognized parameters) instead of printing them to stderr. [GH-3672]
  • command/operator: Fix double file close in snapshot restoration. [GH-3939]
  • command/server: Fix config merge condition for plugin_download_max_size. [GH-3437]
  • command/server: Fix boolean config fields being dropped when multiple -config paths are used. [GH-3433]
  • core: The response of sys/leader did not contain is_self when it was supposed to be false. [GH-3932]
  • core/ha: Fix broken cross-version request forwarding during rolling upgrades to v2.6.x from an earlier minor version. [GH-3900]
  • core/plugins: Ensure that a mount's storage view is no longer marked read-only following a successful plugin reload. [GH-3936]
  • core/identity: Fix periodic key rotation and expiration attempts on standby nodes resulting in read-only errors. [GH-3949]
  • core/namespaces: Gracefully skip partially-created namespaces during unseal instead of panicking. [GH-3353]
  • core/listeners: Fix broken TCP listener on OpenBSD. [GH-3951]
  • core/listeners: Set ACME cache path according to tls_acme_cache_path. [GH-3872]
  • core/server: Add missing disable_ssct_token parameter to support enabling SSCTs. [GH-3839]
  • core/recovery: Avoid panic during listing of namespace contents due to uninitialized namespace store. [GH-3925]
  • core/recovery: Fix generation of recovery token via bao operator generate-root by allowing status checks. [GH-3924]
  • storage/raft: Add existence verification of the Raft node before attempting to promote or demote. [GH-3350]
  • storage/raft: Fix performance regression caused by a second transaction during batch application to write the last applied log index. [GH-3844]
  • storage/raft: Prevent the Raft log from growing indefinitely if fewer than snapshot_threshold entries are written before next restart. [GH-3381]
  • storage/postgresql: Set transaction limit to one less than max_parallel, ensuring HA lock renewal and non-transaction operations can always proceed. [GH-3913]
  • secrets/pki: Don't pick a default value for signature_bits based on the key type of the certificate being issued as it applies to the issuer's key, not the certificate's key. [GH-3858]
  • secrets/pki: Fix use_pss=true + signature_bits=0 on a role incorrectly resulting in certificates signed via PKCS#1 v1.5 instead of correctly using PSS. [GH-3858]
  • sys/raw: Allow creating new entries via sys/raw; when doing so without compression, compression_type="none" must be specified. [GH-3933]
  • sys/rotate: Fix existing unseal/recovery share backups going unreadable after upgrading to v2.6.x from an earlier version. [GH-3863]
  • sys/workflows: Fix Check-And-Set in workflow API. [GH-3870]
  • api: Don't read BAO_WRAP_TTL to determine a request's wrap TTL if DisableEnvironment is set. [GH-3527]
  • ui: Fix invalid CSS class causing uncentered text on MFA method create page. [GH-3885]

DEPRECATIONS

  • command: The file storage backend is deprecated for bao operator migrate and will be removed in v2.8.0. [GH-3879]

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What's Changed

Full Changelog: v2.6.2...v2.7.0-beta20260909

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