Keycloak vulnerable to Server-Side Request Forgery

MEDIUM 5.3CVE-2020-10770 · GHSA-jh7q-5mwf-qvhw · Published 15/12/2020 · updated 17/06/2026

Package	Affected versions	Patched versions
org.keycloak:keycloak-core Maven	`< 13.0.0`	`13.0.0`
keycloak redhat	`< 12.0.2`	`12.0.2`

Description

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.

NVD description

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.

References

nvd.nist.gov/vuln/detail/CVE-2020-10770 · ADVISORY
keycloak/keycloak-documentation#1086 · WEB
keycloak/keycloak#7714 · WEB
bugzilla.redhat.com/show_bug.cgi · WEB
keycloak/keycloak · PACKAGE
issues.redhat.com/browse/KEYCLOAK-14019 · WEB
issues.redhat.com/browse/KEYCLOAK-3426 · WEB
packetstormsecurity.com/files/164499/Keycloak-12.0.1-Server-Side-Request-Forgery.html · WEB

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