CVE-2026-46405

A flaw was found in OpenBao, an identity-based secrets management system. When the Kerberos authentication method processes a GET request or an Authorization: Negotiate header, it inadvertently creates authentication tokens that are not accessible to the caller and are hidden by an error message...

CVE-2026-46405 OpenBao's Kerberos Auth Method Accumulates Unaccessible Tokens

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, in OpenBao's Kerberos auth method on the GET handler, or when an Authorization: Negotiate header is supplied, the response is includes a logical.Auth object in addition to an error message. This results in...