High severity7.5NVD Advisory· Published May 4, 2020· Updated Jun 17, 2026
CVE-2020-10187
CVE-2020-10187
Description
Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply needs to request the list of their authorized applications in a JSON format (usually GET /oauth/authorized_applications.json). An application is vulnerable if the authorized applications controller is enabled.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
doorkeeperRubyGems | >= 5.0.0, < 5.0.3 | 5.0.3 |
doorkeeperRubyGems | >= 5.1.0, < 5.1.1 | 5.1.1 |
doorkeeperRubyGems | >= 5.2.0, < 5.2.5 | 5.2.5 |
doorkeeperRubyGems | >= 5.3.0, < 5.3.2 | 5.3.2 |
Affected products
6- osv-coords4 versionspkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/xenialpkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/[email protected]?arch=source&distro=focalpkg:gem/doorkeeper
>= 0+ 3 more
- (no CPE)range: >= 0
- (no CPE)range: >= 0
- (no CPE)range: >= 0
- (no CPE)range: >= 5.0.0, < 5.0.3
- Doorkeeper/Doorkeeperdescription
- cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*Range: >=5.0.0,<5.0.3
Patches
Vulnerability mechanics
References
7- github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6nvdPatchThird Party AdvisoryWEB
- github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9nvdPatchThird Party AdvisoryWEB
- github.com/rubysec/ruby-advisory-db/pull/446nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-j7vx-8mqj-cqp9ghsaADVISORY
- github.com/doorkeeper-gem/doorkeeper/releasesnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-10187ghsaADVISORY
- github.com/rubysec/ruby-advisory-db/blob/master/gems/doorkeeper/CVE-2020-10187.ymlghsaWEB
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