CVE-2020-15223

In ORY Fosite (the security first OAuth2 & OpenID Connect framework for Go) before version 0.34.0, the `TokenRevocationHandler` ignores errors coming from the storage. This can lead to unexpected 200 status codes indicating successful revocation while the token is still valid. Whether an attacker can use this for her advantage depends on the ability to trigger errors in the store. This is fixed in version 0.34.0

• CWE-755
• CWE-754

• https://github.com/ory/fosite/commit/03dd55813f5521985f7dd64277b7ba0cf1441319Patch, Third Party Advisory
• https://github.com/ory/fosite/security/advisories/GHSA-7mqr-2v3q-v2wmThird Party Advisory
• https://tools.ietf.org/html/rfc7009#section-2.2.1Third Party Advisory
• https://github.com/ory/fosite/commit/03dd55813f5521985f7dd64277b7ba0cf1441319Patch, Third Party Advisory
• https://github.com/ory/fosite/security/advisories/GHSA-7mqr-2v3q-v2wmThird Party Advisory
• https://tools.ietf.org/html/rfc7009#section-2.2.1Third Party Advisory

Published

Sep 24, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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