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Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in…

Priority LOW 36CWE-732Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.

Why it matters now

EPSS 0.01553 75th percentileScored 2026-11-07
Fix Fixed doorkeeper (RubyGems): 4.4.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—doorkeeper (RubyGems)4.2.0 to before 4.4.04.4.0Patch availableGHSA-694m-jhr9-pf77
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • doorkeeper (RubyGems) Vendor— Affected 4.2.0 to before 4.4.0 Fixed in 4.4.0 Patch available GHSA-694m-jhr9-pf77

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:*:*:*up to 4.2.0VulnerableDoorkeeper Project
  • cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:*:*:* Versions up to 4.2.0 Vulnerable ·Doorkeeper Project

Remediation

  • Fix · GHSA-694m-jhr9-pf77 doorkeeper (RubyGems) Fixed in 4.4.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000211
  2. 2026-10-03 Alias added: GHSA-694m-jhr9-pf77

References

  • TI-2023-17082 Doorkeeper Improper Authentication vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2016-05635 The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay… CVSS 3.0CRITICAL 9.1
  • TI-2020-08208 Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that… CVSS 3.1HIGH 7.5
  • TI-2014-06759 Cross-site request forgery (CSRF) vulnerability in doorkeeper before 1.4.1 allows remote… CVSS 2.0MEDIUM 6.8
  • TI-2018-15743 Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS)… CVSS 3.0MEDIUM 6.1

Sources