PT-2026-37220 · Unknown · Vaultwarden

Jackhax · Published 2026-05-05 · Updated 2026-05-05 · CVE-2026-33420

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Vaultwarden versions prior to 1.35.5

Description The 'get org collections details' endpoint "/api/organizations/{org id}/collections/details" lacks the has full access() authorization check. This allows a user with the Manager role, who has accessAll set to False and no assigned collections, to retrieve the names, UUIDs, user-to-collection mappings, and group-to-collection mappings for all collections within the organization.

Recommendations Update to version 1.35.5.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-33420

Affected Products

Vaultwarden

References · 6

• https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-jjxg-p3v6-52ww · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33420 · Security Note
• https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.5 · Note
• https://twitter.com/infoflowcloud/status/2051760503005851962 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2051810757067547065 · Twitter Post
• https://twitter.com/CVEnew/status/2051758517497840012 · Twitter Post