CVE-2026-43913
Description
A flaw was found in Vaultwarden, a Bitwarden-compatible server. An authenticated user, who has been invited as an organization owner and accepted the invitation but has not yet been confirmed by an existing owner, can exploit this vulnerability. By calling a specific API endpoint, this user can bypass the confirmation check and purge the entire organization vault. This leads to immediate and irreversible organization-wide data loss, including all ciphers and attachments.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Access Control
Technical Impact: Gain Privileges or Assume Identity
A user can access restricted functionality and/or sensitive information that may include administrative functionality and user accounts.
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