https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-3047.htmlhttps://patchthecve.com/cve/CVE-2026-3047.htmlWed, 15 Jul 2026 02:20:56 +0000HIGH 8.8: A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language (SAML) client is configured as an Identity Provider (IdP)-initiated broker landing target, it can still complete the login process and establish a Single Sign-On (SSO) session. This allows a remote attachttps://patchthecve.com/cve/CVE-2025-12150.htmlhttps://patchthecve.com/cve/CVE-2025-12150.htmlMon, 10 Aug 2026 03:16:39 +0000LOW 3.1: A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require dirhttps://patchthecve.com/cve/CVE-2026-0871.htmlhttps://patchthecve.com/cve/CVE-2026-0871.htmlWed, 17 Jun 2026 10:11:32 +0000MEDIUM 4.9: A flaw was found in Keycloak. An administrator with `manage-users` permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the systemhttps://patchthecve.com/cve/CVE-2025-8419.htmlhttps://patchthecve.com/cve/CVE-2025-8419.htmlMon, 31 Aug 2026 01:16:47 +0000MEDIUM 5.3: A vulnerability was found in Keycloak-services. Special characters used during e-mail registration may perform SMTP Injection and unexpectedly send short unwanted e-mails. The email is limited to 64 characters (limited local part of the email), so the attack is limited to very shorts emails (subjecthttps://patchthecve.com/cve/CVE-2025-7365.htmlhttps://patchthecve.com/cve/CVE-2025-7365.htmlMon, 31 Aug 2026 01:16:47 +0000HIGH 7.1: A flaw was found in Keycloak. When an authenticated attacker attempts to merge accounts with another existing account during an identity provider (IdP) login, the attacker will subsequently be prompted to "review profile" information. This vulnerability allows the attacker to modify their email addrhttps://patchthecve.com/cve/CVE-2025-5416.htmlhttps://patchthecve.com/cve/CVE-2025-5416.htmlWed, 17 Jun 2026 09:47:52 +0000LOW 2.7: A vulnerability has been identified in Keycloak that could lead to unauthorized information disclosure. While it requires an already authenticated user, the /admin/serverinfo endpoint can inadvertently provide sensitive environment information.https://patchthecve.com/cve/CVE-2023-6841.htmlhttps://patchthecve.com/cve/CVE-2023-6841.htmlWed, 17 Jun 2026 06:51:31 +0000HIGH 7.5: A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.https://patchthecve.com/cve/CVE-2024-7341.htmlhttps://patchthecve.com/cve/CVE-2024-7341.htmlThu, 27 Aug 2026 13:16:33 +0000HIGH 7.1: 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 authentication https://patchthecve.com/cve/CVE-2024-7260.htmlhttps://patchthecve.com/cve/CVE-2024-7260.htmlWed, 17 Jun 2026 08:19:43 +0000MEDIUM 6.1: 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 that the URL is safe, when, in fact, it rhttps://patchthecve.com/cve/CVE-2024-4629.htmlhttps://patchthecve.com/cve/CVE-2024-4629.htmlWed, 17 Jun 2026 08:02:17 +0000MEDIUM 6.5: A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This thttps://patchthecve.com/cve/CVE-2024-1132.htmlhttps://patchthecve.com/cve/CVE-2024-1132.htmlTue, 04 Aug 2026 18:16:40 +0000HIGH 8.1: A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access other URLs and sensitive information within the domain or conduct further attacks. This flaw affects any https://patchthecve.com/cve/CVE-2024-1722.htmlhttps://patchthecve.com/cve/CVE-2024-1722.htmlWed, 17 Jun 2026 07:04:52 +0000LOW 3.7: A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.https://patchthecve.com/cve/CVE-2023-6291.htmlhttps://patchthecve.com/cve/CVE-2023-6291.htmlTue, 22 Sep 2026 04:17:56 +0000HIGH 7.1: A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.https://patchthecve.com/cve/CVE-2023-6927.htmlhttps://patchthecve.com/cve/CVE-2023-6927.htmlTue, 22 Sep 2026 04:17:56 +0000MEDIUM 4.6: 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.https://patchthecve.com/cve/CVE-2023-6134.htmlhttps://patchthecve.com/cve/CVE-2023-6134.htmlTue, 22 Sep 2026 04:17:53 +0000MEDIUM 4.6: A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplethttps://patchthecve.com/cve/CVE-2023-6563.htmlhttps://patchthecve.com/cve/CVE-2023-6563.htmlTue, 22 Sep 2026 04:17:56 +0000HIGH 7.7: An unconstrained memory consumption vulnerability was discovered in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 saved sessions). If an attacker creates two or more user sessions and then open the "consents" tab of thttps://patchthecve.com/cve/CVE-2023-2422.htmlhttps://patchthecve.com/cve/CVE-2023-2422.htmlWed, 17 Jun 2026 05:52:33 +0000MEDIUM 5.5: A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to othehttps://patchthecve.com/cve/CVE-2022-4137.htmlhttps://patchthecve.com/cve/CVE-2022-4137.htmlWed, 17 Jun 2026 05:20:03 +0000HIGH 8.1: A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be https://patchthecve.com/cve/CVE-2022-3916.htmlhttps://patchthecve.com/cve/CVE-2022-3916.htmlWed, 17 Jun 2026 05:00:34 +0000MEDIUM 6.8: A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to rhttps://patchthecve.com/cve/CVE-2022-1438.htmlhttps://patchthecve.com/cve/CVE-2022-1438.htmlWed, 17 Jun 2026 04:22:27 +0000MEDIUM 6.4: A flaw was found in Keycloak. Under specific circumstances, HTML entities are not sanitized during user impersonation, resulting in a Cross-site scripting (XSS) vulnerability.https://patchthecve.com/cve/CVE-2023-4918.htmlhttps://patchthecve.com/cve/CVE-2023-4918.htmlWed, 17 Jun 2026 06:38:53 +0000HIGH 8.8: A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" and "password-confirm" field from the form will occur as regular user attributes. All users and clients with proper rights and roles are able thttps://patchthecve.com/cve/CVE-2023-0264.htmlhttps://patchthecve.com/cve/CVE-2023-0264.htmlWed, 17 Jun 2026 05:25:09 +0000MEDIUM 5.0: A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue cohttps://patchthecve.com/cve/CVE-2022-4361.htmlhttps://patchthecve.com/cve/CVE-2022-4361.htmlWed, 17 Jun 2026 05:20:41 +0000CRITICAL 10.0: Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an attacker to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redirect_uri.https://patchthecve.com/cve/CVE-2023-1664.htmlhttps://patchthecve.com/cve/CVE-2023-1664.htmlWed, 17 Jun 2026 05:28:28 +0000MEDIUM 6.5: 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 which will be validated by the server. If thihttps://patchthecve.com/cve/CVE-2022-1274.htmlhttps://patchthecve.com/cve/CVE-2022-1274.htmlWed, 17 Jun 2026 04:22:07 +0000MEDIUM 5.4: A flaw was found in Keycloak in the execute-actions-email endpoint. This issue allows arbitrary HTML to be injected into emails sent to Keycloak users and can be misused to perform phishing or other attacks against users.https://patchthecve.com/cve/CVE-2023-0105.htmlhttps://patchthecve.com/cve/CVE-2023-0105.htmlWed, 17 Jun 2026 05:24:47 +0000MEDIUM 6.5: 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.https://patchthecve.com/cve/CVE-2023-0091.htmlhttps://patchthecve.com/cve/CVE-2023-0091.htmlWed, 17 Jun 2026 05:24:45 +0000LOW 3.8: A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.https://patchthecve.com/cve/CVE-2022-3782.htmlhttps://patchthecve.com/cve/CVE-2022-3782.htmlWed, 17 Jun 2026 05:00:17 +0000CRITICAL 9.1: keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the https://patchthecve.com/cve/CVE-2022-0225.htmlhttps://patchthecve.com/cve/CVE-2022-0225.htmlWed, 17 Jun 2026 04:20:11 +0000MEDIUM 5.4: 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.https://patchthecve.com/cve/CVE-2021-3856.htmlhttps://patchthecve.com/cve/CVE-2021-3856.htmlWed, 17 Jun 2026 04:05:54 +0000MEDIUM 4.3: 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 random files if available.https://patchthecve.com/cve/CVE-2021-3754.htmlhttps://patchthecve.com/cve/CVE-2021-3754.htmlWed, 17 Jun 2026 04:05:42 +0000MEDIUM 5.3: A flaw was found in keycloak where an attacker is able to register himself with the username same as the email ID of any existing user. This may cause trouble in getting password recovery email in case the user forgets the password.https://patchthecve.com/cve/CVE-2021-3632.htmlhttps://patchthecve.com/cve/CVE-2021-3632.htmlWed, 17 Jun 2026 04:05:28 +0000HIGH 7.5: A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.https://patchthecve.com/cve/CVE-2021-3827.htmlhttps://patchthecve.com/cve/CVE-2021-3827.htmlWed, 17 Jun 2026 04:05:50 +0000MEDIUM 6.8: A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highehttps://patchthecve.com/cve/CVE-2020-35509.htmlhttps://patchthecve.com/cve/CVE-2020-35509.htmlWed, 17 Jun 2026 03:13:50 +0000MEDIUM 5.4: 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 integrity.https://patchthecve.com/cve/CVE-2021-3513.htmlhttps://patchthecve.com/cve/CVE-2021-3513.htmlWed, 17 Jun 2026 04:05:16 +0000HIGH 7.5: A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when wrong credentials are entered. The highest threat from this vulnerability is to confidentiality.https://patchthecve.com/cve/CVE-2022-2668.htmlhttps://patchthecve.com/cve/CVE-2022-2668.htmlWed, 17 Jun 2026 04:42:19 +0000HIGH 7.2: An issue was discovered in Keycloak that allows arbitrary Javascript to be uploaded for the SAML protocol mapper even if the UPLOAD_SCRIPTS feature is disabledhttps://patchthecve.com/cve/CVE-2022-1245.htmlhttps://patchthecve.com/cve/CVE-2022-1245.htmlWed, 17 Jun 2026 04:22:05 +0000CRITICAL 9.8: A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unauthorized access to adhttps://patchthecve.com/cve/CVE-2022-1466.htmlhttps://patchthecve.com/cve/CVE-2022-1466.htmlWed, 17 Jun 2026 04:22:30 +0000MEDIUM 6.5: 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.https://patchthecve.com/cve/CVE-2021-3461.htmlhttps://patchthecve.com/cve/CVE-2021-3461.htmlWed, 17 Jun 2026 04:05:08 +0000HIGH 7.1: A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].https://patchthecve.com/cve/CVE-2021-20323.htmlhttps://patchthecve.com/cve/CVE-2021-20323.htmlWed, 17 Jun 2026 03:33:40 +0000MEDIUM 6.1: A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.https://patchthecve.com/cve/CVE-2021-4133.htmlhttps://patchthecve.com/cve/CVE-2021-4133.htmlWed, 17 Jun 2026 04:19:05 +0000HIGH 8.8: 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.https://patchthecve.com/cve/CVE-2021-3637.htmlhttps://patchthecve.com/cve/CVE-2021-3637.htmlWed, 17 Jun 2026 04:05:29 +0000HIGH 7.5: A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.https://patchthecve.com/cve/CVE-2021-20195.htmlhttps://patchthecve.com/cve/CVE-2021-20195.htmlWed, 17 Jun 2026 03:33:27 +0000CRITICAL 9.6: A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is https://patchthecve.com/cve/CVE-2020-27826.htmlhttps://patchthecve.com/cve/CVE-2020-27826.htmlWed, 17 Jun 2026 03:09:41 +0000MEDIUM 4.2: A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.https://patchthecve.com/cve/CVE-2021-20202.htmlhttps://patchthecve.com/cve/CVE-2021-20202.htmlWed, 17 Jun 2026 03:33:27 +0000HIGH 7.3: A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The highest threat from this vulnerability is to https://patchthecve.com/cve/CVE-2021-20222.htmlhttps://patchthecve.com/cve/CVE-2021-20222.htmlWed, 17 Jun 2026 03:33:29 +0000HIGH 7.5: A flaw was found in keycloak. The new account console in keycloak can allow malicious code to be executed using the referrer URL. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.https://patchthecve.com/cve/CVE-2021-20262.htmlhttps://patchthecve.com/cve/CVE-2021-20262.htmlWed, 17 Jun 2026 03:33:33 +0000MEDIUM 6.8: 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 vulnerability is to confidentiality, integrity,https://patchthecve.com/cve/CVE-2020-27838.htmlhttps://patchthecve.com/cve/CVE-2020-27838.htmlWed, 17 Jun 2026 03:09:42 +0000MEDIUM 6.5: 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 later. The highest threat from this vulnerhttps://patchthecve.com/cve/CVE-2020-1717.htmlhttps://patchthecve.com/cve/CVE-2020-1717.htmlWed, 17 Jun 2026 03:02:15 +0000LOW 2.7: A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.https://patchthecve.com/cve/CVE-2020-10734.htmlhttps://patchthecve.com/cve/CVE-2020-10734.htmlWed, 17 Jun 2026 02:48:20 +0000LOW 3.3: A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.