hashicorp/vault v1.21.4

on GitHub

SECURITY:

• Upgrade cloudflare/circl to v1.6.3 to resolve CVE-2026-1229
• Upgrade filippo.io/edwards25519 to v1.1.1 to resolve GO-2026-4503
• vault/sdk: Upgrade cloudflare/circl to v1.6.3 to resolve CVE-2026-1229
• vault/sdk: Upgrade go.opentelemetry.io/otel/sdk to v1.40.0 to resolve GO-2026-4394

CHANGES:

• core: Bump Go version to 1.25.7
• mfa/duo: Upgrade duo_api_golang client to 0.2.0 to include the new Duo certificate authorities
• ui: Remove ability to bulk delete secrets engines from the list view.

IMPROVEMENTS:

• core/seal: Enhance sys/seal-backend-status to provide more information about seal backends.
• secrets/kmip (Enterprise): Obey configured best_effort_wal_wait_duration when forwarding kmip requests.
• secrets/pki (enterprise): Return the POSTPKIOperation capability within SCEP GetCACaps endpoint for better legacy client support.

BUG FIXES:

• core (enterprise): Buffer the POST body on binary paths to allow re-reading on non-logical forwarding attempts. Addresses an issue for SCEP, EST and CMPv2 certificate issuances with slow replication of entities
• core/identity (enterprise): Fix excessive logging when updating existing aliases
• core/managed-keys (enterprise): client credentials should not be required when using Azure Managed Identities in managed keys.
• plugins (enterprise): Fix bug where requests to external plugins that modify storage weren't populating the X-Vault-Index response header.
• secrets (pki): Allow issuance of certificates without the server_flag key usage from SCEP, EST and CMPV2 protocols.
• secrets/pki (enterprise): Address cache invalidation issues with CMPv2 on performance standby nodes.
• secrets/pki (enterprise): Address issues using SCEP on performance standby nodes failing due to configuration invalidation issues along with errors writing to storage
• secrets/pki (enterprise): Modify the SCEP GetCACaps endpoint to dynamically reflect the configured encryption and digest algorithms.
• secrets/pki: The root/sign-intermediate endpoint should not fail when provided a CSR with a basic constraint extension containing isCa set to true
• secrets/pki: allow glob-style DNS names in alt_names.