Session Fixation

org.keycloak:keycloak-services is vulnerable to Session Fixation. The vulnerability is due to the session ID and JSESSIONID cookie not being changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured, allowing an attacker to hijack the session before authentication...

GHSA-GC7Q-JGJV-VJR2 Keycloak Services has a potential bypass of brute force protection

If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user. Acknowledgements: Special thank...

wildfly-elytron: org.keycloak/keycloak-services: session fixation in elytron saml adapters

A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks the current session before authenticati...

wildfly-elytron: org.keycloak/keycloak-services: session fixation in elytron saml adapters

A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks the current session before authenticati...

wildfly-elytron: org.keycloak/keycloak-services: session fixation in elytron saml adapters

A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks the current session before authenticati...

Denial Of Service Via Account Lockout

org.keycloak, keycloak-services is vulnerable to Denial of Service via account lockout. The vulnerability is due to improper handling of usernames formatted as email addresses, which allows attackers to lock out legitimate users by repeatedly using incorrect passwords...

Sensitive Information Disclosure

keycloak-services is vulnerable to Sensitive Information Disclosure. The vulnerability is due to client-provided parameters included in plain text within the KCRESTART cookie returned by the authorization server's HTTP response to a requesturi authorization request...

LDAP Injection

keycloak-ldap-federation, keycloak-services is vulnerable to LDAP Injection. The vulnerability is due to the getFilterById function in LDAPOperationManager.java and getUserFromForm function in AbstractUsernameFormAuthenticator.java. This allows an attacker to manipulate the LDAP query in...

Improper Certificate Validation

org.keycloak:keycloak-services is vulnerable to Improper Certificate Validation. The vulnerability exists in the authenticateClient function of X509ClientAuthenticator.java because it does not properly verify the client certificates when the application is configured to support mTLS authenticatio...

User Impersonation

keycloak-services is vulnerable to User Impersonation. The vulnerability is due to the OpenID Connect user authentication because the session UUID is not properly bound to the user session, allowing an attacker to obtain a certain piece of information from a user request in the same realm and...

HTML Injection

org.keycloak:keycloak-services is vulnerable to HTML Injection. A malicious user is able to send emails containing phishing links to users via the execute-actions-email endpoint of the admin REST API...

Path Traversal

org.keycloak:keycloak-services is vulnerable to Path Traversal. The vulnerability is due to improper redirect URL validation, which lets an attacker bypass validation for redirects and access sensitive information on the domain...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.1 for OpenShift image security and enhancement update

A new image is available for Red Hat Single Sign-On 7.5.1, running on OpenShift Container Platform 3.10 and 3.11, and 4.9. 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 severit...

Cross-Site Scripting (XSS)

keycloak-services is vulnerable to cross-site scripting XSS. An attacker is able to inject and execute arbitrary Javascript in a user's browser via the Realm registration REST API...

Man-in-the-Middle (MtiM)

keycloak-services is vulnerable to man-in-the-middle attack. The signatures on CRL are not validated, allowing a remote attacker to perform man-in-the-middle attacks to sniff and modify network traffic...

Unauthorized Postings And Removals

keycloak-services is vulnerable to unauthorized postings and removals. Posting different credential IDs can be done by using the remove devices form, subsequently possibly to perform unauthorized removal of MFA devices of other users...

User Deletion Via Incorrect Permissions Check

keycloak-services is vulnerable to user deletion through an incorrect permissions check. A malicious user that has access to a service account can delete users in a seperate realm...

Open Redirection

JBOSS keycloak-services is vulnerable to open-redirection attacks. A lack of validation in the redirect URL in org.keycloak.protocol.oidc.utils.RedirectUtils allows a remote attacker to redirect user's to a malicious URL and confidential information from victims via phishing attacks...

Cross-site Request Forgery

keycloak-services is vulnerable to cross-site request forgery CSRF attacks. The earlier versions of keycloak-services did not include CSRF protection mechanisms, thus allowing attackers with valid session cookies to perform CSRF attacks...