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Status published
Medium
CVE-2023-34246
Doorkeeper Improper Authentication vulnerability
Vulnerability Description
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w
- https://github.com/doorkeeper-gem/doorkeeper/issues/1589
- https://github.com/doorkeeper-gem/doorkeeper/pull/1646
- https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6
- https://www.rfc-editor.org/rfc/rfc8252#section-8.6
- https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html
Affected Vendor
doorkeeper-gem
View all reports →Affected Software
doorkeeper
Vulnerable Versions:
< 5.6.6
Timeline
Official Publish:
June 12th, 2023
Last Modified:
February 13th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N