CVE-2023-34246

Name: CVE-2023-34246
Creator: NVD / NIST
Published: 2023-06-12T17:15:09.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2023-34246 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.72%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Doorkeeper Project	Doorkeeper	< 5.6.6

References

https://github.com/doorkeeper-gem/doorkeeper/issues/1589Exploit, Issue Tracking
https://github.com/doorkeeper-gem/doorkeeper/pull/1646Patch
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6Release Notes
https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789wVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html
https://www.rfc-editor.org/rfc/rfc8252#section-8.6Technical Description
https://github.com/doorkeeper-gem/doorkeeper/issues/1589Exploit, Issue Tracking
https://github.com/doorkeeper-gem/doorkeeper/pull/1646Patch
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6Release Notes
https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789wVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html
https://lists.debian.org/debian-lts-announce/2024/12/msg00010.html
https://www.rfc-editor.org/rfc/rfc8252#section-8.6Technical Description

Timeline

Published: Jun 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34246?

How severe is CVE-2023-34246?

CVE-2023-34246 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34246?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34246?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST