A flaw was found in Vault and Vault Enterprise (“Vault”). In the affected versions of Vault, with the AWS Auth Method configured and under certain circumstances, the values relied upon by Vault to validate AWS IAM identities and roles may be manipulated and bypass authentication.
A vulnerability was identified in Vault and Vault Enterprise (“Vault”) such that, with the GCP Auth Method configured and under certain circumstances, the values relied upon by Vault to validate Google Compute Engine (GCE) VMs may be manipulated and authentication bypassed.
https://www.hashicorp.com/blog/category/vault/ https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151 http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html