Keycloak
by Keycloak
Source repositories
CVEs (129)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-11736 | Med | 0.25 | 4.9 | 0.01 | Jan 14, 2025 | A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or… | ||
| CVE-2025-10939 | Low | 0.24 | 3.7 | 0.00 | Oct 28, 2025 | A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application… | ||
| CVE-2020-10776 | Med | 0.24 | 4.8 | 0.01 | Nov 17, 2020 | A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack. | ||
| CVE-2026-18217 | Low | 0.22 | 3.4 | 0.00 | Jul 31, 2026 | A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL,… | ||
| CVE-2023-0657 | Low | 0.22 | 3.4 | 0.00 | Nov 17, 2024 | A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions. | ||
| CVE-2026-9798 | Med | 0.21 | 4.3 | 0.00 | May 28, 2026 | A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication (CIBA)… | ||
| CVE-2026-9791 | Med | 0.21 | 4.3 | 0.00 | May 28, 2026 | A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect (OIDC) token with the 'organization' scope. This allows organization metadata… | ||
| CVE-2026-37981 | Med | 0.21 | 4.3 | 0.00 | May 19, 2026 | A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for… | ||
| CVE-2026-8830 | Med | 0.21 | 4.3 | 0.00 | May 19, 2026 | A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. This occurs because the server-side processAction() fails to validate that the newly created credential's… | ||
| CVE-2025-10044 | Med | 0.21 | 4.3 | 0.00 | Sep 5, 2025 | A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft… | ||
| CVE-2021-3856 | Med | 0.21 | 4.3 | 0.01 | Aug 26, 2022 | 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… | ||
| CVE-2020-10734 | Low | 0.21 | 3.3 | 0.00 | Feb 11, 2021 | 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. | ||
| CVE-2026-9689 | Med | 0.20 | 4.2 | 0.00 | May 27, 2026 | A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web… | ||
| CVE-2026-6856 | low | 0.20 | 3.1 | — | Apr 13, 2026 | keycloak: keycloak: acceptable AAGUID policy bypass via packed self-attestation in WebAuthn registration | ||
| CVE-2026-1035 | Low | 0.20 | 3.1 | 0.00 | Jan 21, 2026 | A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not… | ||
| CVE-2020-27826 | Med | 0.20 | 4.2 | 0.01 | May 28, 2021 | 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. | ||
| CVE-2020-10686 | Med | 0.20 | 4.1 | 0.01 | May 4, 2020 | 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 for other users. | ||
| CVE-2025-14083 | Low | 0.18 | 2.7 | 0.00 | Jan 21, 2026 | A flaw was found in the Keycloak Admin REST API. This vulnerability allows the exposure of backend schema and rules, potentially leading to targeted attacks or privilege escalation via improper access control. | ||
| CVE-2022-2256 | Low | 0.18 | 3.8 | 0.01 | Sep 1, 2022 | A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin console, abusing the default roles functionality. | ||
| CVE-2020-1717 | Low | 0.18 | 2.7 | 0.01 | Feb 11, 2021 | A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack. |
- risk 0.25cvss 4.9epss 0.01
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or…
- risk 0.24cvss 3.7epss 0.00
A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application…
- risk 0.24cvss 4.8epss 0.01
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
- risk 0.22cvss 3.4epss 0.00
A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL,…
- risk 0.22cvss 3.4epss 0.00
A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
- risk 0.21cvss 4.3epss 0.00
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication (CIBA)…
- risk 0.21cvss 4.3epss 0.00
A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect (OIDC) token with the 'organization' scope. This allows organization metadata…
- risk 0.21cvss 4.3epss 0.00
A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for…
- risk 0.21cvss 4.3epss 0.00
A flaw was found in Keycloak. An authenticated user can bypass configured WebAuthn policies during credential registration by manipulating client-side JavaScript. This occurs because the server-side processAction() fails to validate that the newly created credential's…
- risk 0.21cvss 4.3epss 0.00
A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft…
- risk 0.21cvss 4.3epss 0.01
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…
- risk 0.21cvss 3.3epss 0.00
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.
- risk 0.20cvss 4.2epss 0.00
A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web…
- risk 0.20cvss 3.1epss —
keycloak: keycloak: acceptable AAGUID policy bypass via packed self-attestation in WebAuthn registration
- risk 0.20cvss 3.1epss 0.00
A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not…
- risk 0.20cvss 4.2epss 0.01
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.
- risk 0.20cvss 4.1epss 0.01
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 for other users.
- risk 0.18cvss 2.7epss 0.00
A flaw was found in the Keycloak Admin REST API. This vulnerability allows the exposure of backend schema and rules, potentially leading to targeted attacks or privilege escalation via improper access control.
- risk 0.18cvss 3.8epss 0.01
A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin console, abusing the default roles functionality.
- risk 0.18cvss 2.7epss 0.01
A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.
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