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Medium 4.8
Keycloak-core: one time passcode (otp) is valid longer than expiration timeseverity
A vulnerability was found in Keycloak. Expired OTP codes are still usable when using FreeOTP when the OTP token period is set to 30 seconds (default). Instead of expiring and deemed unusable around 30 seconds in, the tokens are valid for an additional 30 seco…
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Medium 6.1
Keycloak-core: open redirect on account page
An open redirect vulnerability was found in Keycloak. A specially crafted URL can be constructed where the referrer and referrer_uri parameters are made to trick a user to visit a malicious webpage. A trusted URL can trick users and automation into believing …
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Medium 4.6
Keycloak: open redirect via "form_post.jwt" jarm response mode
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
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Medium 6.5
Keycloak Untrusted Certificate Validation vulnerability
A flaw was found in Keycloak. This flaw depends on a non-default configuration "Revalidate Client Certificate" to be enabled and the reverse proxy is not validating the certificate before Keycloak. Using this method an attacker may choose the certificate whic…
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Medium 6.5
Keycloak: Impersonation and lockout possible through incorrect handling of email trust
A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.
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Medium 5.4
Stored Cross-Site Scripting (XSS) in Keycloak via groups dropdown
A flaw was found in Keycloak. This flaw allows a privileged attacker to use the malicious payload as the group name while creating a new group from the admin console, leading to a stored Cross-site scripting (XSS) attack.
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Medium 4.3
Keycloak has Files or Directories Accessible to External Parties
ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of ra…
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Medium 5.4
Keycloak vulnerable to Improper Certificate Validation
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and …
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Medium 6.5
Improper authorization in Keycloak
Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be allowed to perform. It was possible to add users to the master realm even though no respective permission was granted.
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Medium 6.1
Cross-site Scripting in Keycloak
A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.
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Medium 6.8
Keycloak Missing authentication for critical function
A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical access to a user’s browser. The highest threat from this vulner…
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Medium 6.5
Keycloak discloses information without authentication
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL l…
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Medium 5.3
Keycloak vulnerable to Server-Side Request Forgery
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.
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Medium 4.3
Keycloak Insufficient Session Expiry
A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.
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Medium 5.0
Keycloak leaks sensitive information in logged exceptions
A flaw was found in keycloak in versions before 9.0.0. A logged exception in the HttpMethod class may leak the password given as parameter. The highest threat from this vulnerability is to data confidentiality.
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Medium 6.6
Privilege Defined With Unsafe Actions in Keycloak
A flaw was found in the Keycloak admin console, where the realm management interface permits a script to be set via the policy. This flaw allows an attacker with authenticated user and realm management permissions to configure a malicious script to trigger an…
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Medium 4.1
Keycloak users may be able to remove MFA from other users' devices
A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices fo…
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Medium 4.8
Improper Restriction of Rendered UI Layers or Frames in Keycloak
A vulnerability was found in all versions of Keycloak where, the pages on the Admin Console area of the application are completely missing general HTTP security headers in HTTP-responses. This does not directly lead to a security issue, yet it might aid attac…
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Medium 5.6
Exposure of Sensitive Information in keycloak
A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector do…
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Medium 6.1
XSS in Keycloak
It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other r…
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Medium 4.3
Exposure of Sensitive Information to an Unauthorized Actor in Keycloak
It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.
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Medium 6.1CVE-2014-3656 Public exploit
JBoss KeyCloak Cross-site Scripting Vulnerability
JBoss KeyCloak: XSS in login-status-iframe.html
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Medium 4.6
Improper Input Validation and Cross-Site Request Forgery in Keycloak
It was found that Keycloak's account console, up to 6.0.1, did not perform adequate header checks in some requests. An attacker could use this flaw to trick an authenticated user into performing operations via request from an untrusted domain.
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Medium 6.5
Improper Certificate Validation and Insufficient Verification of Data Authenticity in Keycloak
A vulnerability was found in keycloak before 6.0.2. The X.509 authenticator supports the verification of client certificates through the CRL, where the CRL list can be obtained from the URL provided in the certificate itself (CDP) or through the separately co…
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Medium 6.1
Improper Authentication in Keycloak
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
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Medium 6.1
Keycloak Open Redirect
A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. This can lead to an Open Redirection attack
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Medium 6.5
keycloak-core discloses system properties
It was found that while parsing the SAML messages the StaxParserUtil class of keycloak before 2.5.1 replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the atta…
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Medium 4.4
Moderate severity vulnerability that affects org.keycloak:keycloak-core
keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw…
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Medium —
Moderate severity vulnerability that affects org.keycloak:keycloak-core
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete…
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Medium 5.9
keycloak-core vulnerable to timing attacks against JWS token verification
Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.
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Medium —
Moderate severity vulnerability that affects org.keycloak:keycloak-core
It was found that keycloak before 3.4.2 final would permit misuse of a client-side /etc/hosts entry to spoof a URL in a password reset request. An attacker could use this flaw to craft a malicious password reset request and gain a valid reset token, leading t…