Improper Authorization Affecting vaultwarden package, versions <1.35.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published14 May 2026
- disclosed12 May 2026
- creditch1nhpd
Introduced: 12 May 2026
NewCVE-2026-43912 (opens in a new tab)How to fix?
Upgrade vaultwarden to version 1.35.5 or higher.
Overview
Affected versions of this package are vulnerable to Improper Authorization through improper validation of organization consistency in group and collection management endpoints. An attacker can gain unauthorized read and write access to another organization's data by binding their membership or collection identifiers from one organization into groups of another organization.