CVE-2026-47159
Description
A flaw was found in Vaultwarden, a Bitwarden-compatible server. A remote attacker could exploit a vulnerability in the Single Sign-On (SSO) discovery and pre-validation process. This flaw allows an attacker to enumerate SSO-enabled organizations and obtain a pre-validation token without verifying email ownership. This can lead to information disclosure of organization details and potential abuse of the authentication workflow, facilitating targeted phishing or tenant discovery.
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: Bypass Protection Mechanism
Frequently Asked Questions
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