{"id":"CVE-2021-26715","details":"The OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a Server Side Request Forgery (SSRF) vulnerability. The vulnerability arises due to unsafe usage of the logo_uri parameter in the Dynamic Client Registration request. An unauthenticated attacker can make a HTTP request from the vulnerable server to any address in the internal network and obtain its response (which might, for example, have a JavaScript payload for resultant XSS). The issue can be exploited to bypass network boundaries, obtain sensitive data, or attack other hosts in the internal network.","aliases":["GHSA-792r-mh2q-p8qp"],"modified":"2026-07-09T01:30:30.768175Z","published":"2021-03-25T09:15:12.633Z","references":[{"type":"ADVISORY","url":"https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/releases"},{"type":"EVIDENCE","url":"https://portswigger.net/research/hidden-oauth-attack-vectors"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mitreid-connect/openid-connect-java-spring-server","events":[{"introduced":"0"},{"last_affected":"73459f0348135013952146196d94e0d065f62739"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.3.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:*"}}],"versions":["mitreid-connect-1.3.3","mitreid-connect-1.3.2","mitreid-connect-1.3.1","mitreid-connect-1.3.0","mitreid-connect-1.3.0-RC2","mitreid-connect-1.3.0-RC1","mitreid-connect-1.2.6","mitreid-connect-1.2.5","mitreid-connect-1.2.4","mitreid-connect-1.2.3","mitreid-connect-1.2.2","mitreid-connect-1.2.1","mitreid-connect-1.2.0","mitreid-connect-1.2.0-RC2","mitreid-connect-1.2.0-RC1","mitreid-connect-1.1.9","mitreid-connect-1.1.8","mitreid-connect-1.1.7","mitreid-connect-1.1.6","mitreid-connect-1.1.5","mitreid-connect-1.1.4","mitreid-connect-1.1.3","mitreid-connect-1.1.2","mitreid-connect-1.1.1","mitreid-connect-1.1.0","iss294-0.9","iss294-start","M2-pre-data-model-changes","M-3","M-2","M-1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26715.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}