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CVE-2023-34246 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:4.2 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/doorkeeper-gem/doorkeeper/issues/1589	CVE	ExploitIssue Tracking
https://github.com/doorkeeper-gem/doorkeeper/pull/1646	CVE	Patch
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6	CVE	Release Notes
https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w	CVE	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html	CVE
https://lists.debian.org/debian-lts-announce/2024/12/msg00010.html	CVE
https://www.rfc-editor.org/rfc/rfc8252#section-8.6	CVE	Technical Description
https://github.com/doorkeeper-gem/doorkeeper/issues/1589	[email protected]	ExploitIssue Tracking
https://github.com/doorkeeper-gem/doorkeeper/pull/1646	[email protected]	Patch
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6	[email protected]	Release Notes
https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w	[email protected]	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html	[email protected]
https://www.rfc-editor.org/rfc/rfc8252#section-8.6	[email protected]	Technical Description

see all 13 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
doorkeeper project doorkeeper	< 5.6.6
CPE cpe:2.3:a:doorkeeper_project:doorkeeper::::::ruby::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Dec 9, 2024	CVE Modified	CVE
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 12, 2023	CVE Modified	[email protected]
Jun 21, 2023	Initial Analysis	[email protected]