https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T20:53:23.272506+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-34246 CVE-2023-34246 — Doorkeeper Improper Authentication vulnerability 2026-09-29T20:53:23.275866+00:00

Affected: doorkeeper-gem doorkeeper

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.

 https://vulnerability.circl.lu/vuln/usn-6210-1 USN-6210-1 — ruby-doorkeeper vulnerability 2026-09-29T20:53:23.275970+00:00

Affected: Ubuntu:Pro:16.04:LTS: ruby-doorkeeper, Ubuntu:Pro:18.04:LTS: ruby-doorkeeper, Ubuntu:20.04:LTS: ruby-doorkeeper, Ubuntu:22.04:LTS: ruby-doorkeeper

It was discovered that Doorkeeper incorrectly performed authorization checks for public clients that have been previous approved. An attacker could potentially exploit these in order to impersonate another user and obtain sensitive information.