Allocation of Resources Without Limits or Throttling in Keycloak

A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body...

GHSA-52RG-HPWQ-QP56 Allocation of Resources Without Limits or Throttling in Keycloak

A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body...

Cross-site Scripting in Keycloak

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks...

GHSA-HGPG-593R-HHVP Cross-site Scripting in Keycloak

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks...

Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Keycloak

A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle MITM attack...

GHSA-C597-F74M-JGC2 Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Keycloak

A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle MITM attack...

Improper Input Validation in Keycloak

A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote co...

GHSA-M6MM-Q862-J366 Improper Input Validation in Keycloak

A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote co...

GHSA-JH6M-3PQW-242H Keycloak Gatekeeper vulnerable to bypass on using lower case HTTP headers

A vulnerability was found in all versions of the deprecated package Keycloak Gatekeeper, where on using lower case HTTP headers via cURL we can bypass our Gatekeeper. Lower case headers are also accepted by some webservers e.g. Jetty. This means there is no protection when we put a Gatekeeper in...

Keycloak Gatekeeper vulnerable to bypass on using lower case HTTP headers

A vulnerability was found in all versions of the deprecated package Keycloak Gatekeeper, where on using lower case HTTP headers via cURL we can bypass our Gatekeeper. Lower case headers are also accepted by some webservers e.g. Jetty. This means there is no protection when we put a Gatekeeper in...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.1 security update on RHEL 7

New Red Hat Single Sign-On 7.5.1 packages are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.1 security update on RHEL 8

New Red Hat Single Sign-On 7.5.1 packages are now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

keycloak: Improper authorization for master realm

A flaw was found in Keycloak. The Red Hat Single Sign-On allowed authed users to perform actions outside their permissions. This flaw makes adding users to the master realm possible even though no respective permission was granted...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.1 security update

A security update is now available for Red Hat Single Sign-On 7.5 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.4.10 security update

A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.1 security update

A security update is now available for Red Hat Single Sign-On 7.5 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

keycloak-services: POST based reflected Cross Site Scripting vulnerability

A flaw has been found in Keycloak. The clients-registrations endpoint allows execution of javascript code on the client-side, which makes it vulnerable to a Cross-Site Scripting attack...

CVE-2021-20323

A flaw has been found in Keycloak. The clients-registrations endpoint allows execution of javascript code on the client-side, which makes it vulnerable to a Cross-Site Scripting attack...

CVE-2021-4133

A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled...

CVE-2021-4133

A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled...