HashiCorp Vault Enterprise’s Sentinel EGP policy feature incorrectly allowed requests to be processed in parent and sibling namespaces. Fixed in 1.5.6 and 1.6.1. References: https://discuss.hashicorp.com/t/hcsec-2020-24-vault-enterprise-s-sentinel-egp-policies-may-impact-parent-or-sibling-namespaces/18983 https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161
External References: https://discuss.hashicorp.com/t/hcsec-2020-24-vault-enterprise-s-sentinel-egp-policies-may-impact-parent-or-sibling-namespaces/18983
Statement: This flaw affects the Enterprise version of Hashicorp Vault only, not the Open Source version.