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Vulnerabilities / CVE-2016-6582

critical

CVE-2016-6582

The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers ...

Published Modified CWE 254
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
GHSA9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, Ruby Advisory DB. Rated lower by Ubuntu (medium).

Description

The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification.

Affected packages and fixed versions

SourcePackageFixed in
rubygems::GitHub Security Advisory RubyGemsdoorkeeper4.2.0
rubygems::Ruby Advisory Databasedoorkeeper>= 4.2.0
debian 11ruby-doorkeeper4.2.0-3
debian 12ruby-doorkeeper4.2.0-3
debian 13ruby-doorkeeper4.2.0-3
debian 14ruby-doorkeeper4.2.0-3
echoruby-doorkeeper4.2.0-3
ubuntu 16.04-ESMruby-doorkeeper2.2.1-1ubuntu0.1~esm2

References

All 16 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.