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OpenBao

Community fork of Vault under an open-source licence

Linux Foundation project that forked HashiCorp Vault's last MPL-licensed code to keep an open-source secrets manager with a compatible API.

Open sourceMPL-2.0
Alternative toHashiCorp Vault
Homepage of OpenBao
Official website (openbao.org), captured by ThreatWire.

What OpenBao does

OpenBao manages, stores and distributes secrets, certificates and keys, with the same model as Vault: auth methods, policies, secrets engines and audit logging. It began as a fork of Vault 1.14, the last version under the MPL 2.0 licence.

The project is governed in the open under the Linux Foundation and keeps API compatibility with Vault for most use cases while adding its own features.

Key features

  • Vault-compatible API for most use cases
  • Dynamic secrets and PKI
  • Transit encryption
  • Integrated Raft storage and HA
  • Open governance at the Linux Foundation

Licence

MPL-2.0 · Mozilla Public License 2.0 · Open source

Checked by ThreatWire against the repository's licence file on 2026-10-20. GitHub detects: MPL-2.0.

Security of OpenBao itself

50 published advisories for OpenBao in GitHub repository advisories and OSV.dev; the 12 most recent are listed. Keep the tool updated: security tools often run with broad access.

  • GHSA-gf3j-hm38-jhh5medium2026-10-01

    OpenBao's Kubernetes Auth Method Allows Renewal on Revoked Tokens

  • GHSA-q74w-hv5x-6hxflow2026-10-01

    Improper Audit Logging of OpenBao's Root Token Generation and Unauthenticated Rekey Operations

  • GHSA-5v22-543h-wg96medium2026-10-01

    OpenBao's Request Parsing Allow Bypassing Role-Based Rate Limit Quotas

  • GHSA-7m59-mp95-w6phlow2026-10-01

    OpenBao's AppRole SecretID is Usable Past Expiration

  • GHSA-3237-j65r-m5rplow2026-10-01

    OpenBao's Sanitized Configuration Discloses ACME EAB MAC Key

  • GHSA-8xxq-mq9m-xmhwlow2026-09-23

    OpenBao Plugins May Leak Malformed TypeKVPair and TypeHeader Parameters in Audit Log

  • GHSA-x8fg-h69x-p28fCVE-2026-104092high2026-09-23

    OpenBao's PKI ACME Issues Certificate With Unvalidated SANs

  • GHSA-2cjw-94fw-wqjxmedium2026-09-23

    Open Redirect in OpenBao's OIDC UI

  • GHSA-hr5j-3j78-4vh2low2026-09-23

    Denied Wildcard Allows Limited ACL Bypass in OpenBao

  • GHSA-8gmq-wv9h-fcwplow2026-09-23

    OpenBao's Agent/Proxy Allows Exiting Without Required Header

  • GHSA-mjch-vcw3-hhmfhigh2026-09-23

    OpenBao's Policy Cache Allows Incorrect Authorization via Namespace Traversal

  • GHSA-j6wc-jpvg-xfxqCVE-2026-104090critical2026-09-23

    Remote Code Execution via `sys/storage/raft/snapshot-force` Plugin Catalog Replacement in OpenBao

Sources: GitHub repository advisories, OSV.dev · checked 2026-10-20.

Categories and tags

Identity, access and secrets management#secrets-management#pki#linux-foundation#go#secret-management#security

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