What’s Vulnerable › Vulnerabilities

CVE-2026-26012: vaultwarden has Full Cipher Enumeration Ignoring Organization Collection Permissions

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-863

Description

vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to 1.35.3, a regular organization member can retrieve all ciphers within an organization, regardless of collection permissions. The endpoint /ciphers/organization-details is accessible to any organization member and internally uses Cipher::find_by_org to retrieve all ciphers. These ciphers are returned with CipherSyncType::Organization without enforcing collection-level access control. This vulnerability is fixed in 1.35.3.

Affected products

• dani-garcia vaultwarden: before 1.35.3 — fixed in 1.35.3

How to fix

Upgrade to a fixed version: dani-garcia vaultwarden 1.35.3. Check the vendor advisory for mitigations.

References

• https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.3
• https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h265-g7rm-h337

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