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RHSSO: XSS due to lax URI scheme validation

🗓️ 27 Jun 2023 18:52:46Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 26 Views

RHSSO XSS in Keycloak due to lax URI validation on redirect_uri or AssertionConsumerServiceURL in SAML or OpenID Connect.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8anyrh-sso7-keycloak0:18.0.8-1.redhat_00001.1.el8sso.noarchrh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el8sso.noarch.noarch.rpm
Red Hat Enterprise Linux8anyrh-sso7-keycloak-server0:18.0.8-1.redhat_00001.1.el8sso.noarchrh-sso7-keycloak-server-0:18.0.8-1.redhat_00001.1.el8sso.noarch.noarch.rpm

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28 Jun 2026 12:39Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.1 - 10
EPSS0.00626
SSVC
26