CVE-2016-6582

Severity: critical (CVSS 9.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-23 · updated 2026-06-17
Weakness: CWE-254

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 products

doorkeeper-gem doorkeeper: through 4.1.0

References

http://packetstormsecurity.com/files/138430/Doorkeeper-4.1.0-Token-Revocation.html
http://seclists.org/fulldisclosure/2016/Aug/105
http://www.securityfocus.com/archive/1/539268/100/0/threaded
http://www.securityfocus.com/bid/92551
https://github.com/doorkeeper-gem/doorkeeper/issues/875
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v4.2.0
http://packetstormsecurity.com/files/138430/Doorkeeper-4.1.0-Token-Revocation.html
http://seclists.org/fulldisclosure/2016/Aug/105
http://www.securityfocus.com/archive/1/539268/100/0/threaded
http://www.securityfocus.com/bid/92551
https://github.com/doorkeeper-gem/doorkeeper/issues/875
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v4.2.0

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