GHSA-vf84-mxrq-crqc OpenBao Root Namespace Operator May Elevate Token Privileges

• Go github.com/openbao/openbao: >= 0.1.0, < 2.3.2 → fixed in 2.3.2 • Go github.com/openbao/openbao: < 0.0.0-20250806193240-9b0b5d4f345f → fixed in 0.0.0-20250806193240-9b0b5d4f345f

Impact Accounts with access to the highly-privileged identity entity system in the root namespace may increase their scope directly to the `root` policy. While the identity system always allowed adding arbitrary policies, which in turn could contain capability grants on arbitrary paths, the `root` policy is restricted to manual generation using unseal or recovery key shares. The global `root` policy is not accessible from child namespaces. Patches OpenBao v2.3.2 will patch this issue. Workarounds Use of `denied_parameters` in any policy which has access to the affected identity endpoints (on identity entities) may be sufficient to prohibit this type of attack. References This issue was disclosed to HashiCorp and is the OpenBao equivalent of the following tickets: • https://discuss.hashicorp.com/t/hcsec-2025-13-vault-root-namespace-operator-may-elevate-token-privileges/76032 • https://nvd.nist.gov/vuln/detail/cve-2025-5999