Keycloak
by Keycloak
Source repositories
CVEs (129)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-0604 | Med | 0.35 | 5.4 | 0.01 | Jan 22, 2025 | A flaw was found in Keycloak. When an Active Directory user resets their password, the system updates it without performing an LDAP bind to validate the new credentials against AD. This vulnerability allows users whose AD accounts are expired or disabled to regain access in… | ||
| CVE-2024-11734 | Med | 0.35 | 6.5 | 0.01 | Jan 14, 2025 | A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server… | ||
| CVE-2024-10270 | Med | 0.35 | 6.5 | 0.01 | Nov 25, 2024 | A vulnerability was found in the Keycloak-services package. If untrusted data is passed to the SearchQueryUtils method, it could lead to a denial of service (DoS) scenario by exhausting system resources due to a Regex complexity. | ||
| CVE-2022-0225 | Med | 0.35 | 5.4 | 0.03 | Aug 26, 2022 | 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. | ||
| CVE-2021-3424 | Med | 0.35 | 5.3 | 0.01 | Jun 1, 2021 | A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges. | ||
| CVE-2020-1725 | Med | 0.35 | 5.4 | 0.01 | Jan 28, 2021 | A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token. | ||
| CVE-2017-12158 | Med | 0.35 | 5.4 | 0.01 | Oct 26, 2017 | It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server. | ||
| CVE-2025-8419 | Med | 0.34 | 5.3 | 0.00 | Aug 6, 2025 | 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… | ||
| CVE-2022-2237 | Med | 0.33 | 6.1 | 0.00 | Mar 27, 2023 | A flaw was found in the Keycloak Node.js Adapter. This flaw allows an attacker to benefit from an Open Redirect vulnerability in the checkSso function. | ||
| CVE-2026-16106 | Med | 0.32 | 4.9 | 0.00 | Jul 17, 2026 | A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative… | ||
| CVE-2026-16072 | Med | 0.32 | 4.9 | 0.00 | Jul 17, 2026 | A flaw was found in the organization management component of Keycloak. A delegated administrator with permission to manage organizations can create an invitation for a non-existent email address and then retrieve the secret registration link directly through the application… | ||
| CVE-2025-12390 | Med | 0.32 | 6.0 | 0.00 | Oct 28, 2025 | A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser… | ||
| CVE-2025-9162 | Med | 0.32 | 4.9 | 0.00 | Aug 21, 2025 | A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted… | ||
| CVE-2025-2559 | Med | 0.32 | 4.9 | 0.01 | Mar 25, 2025 | A flaw was found in Keycloak. When the configuration uses JWT tokens for authentication, the tokens are cached until expiration. If a client uses JWT tokens with an excessively long expiration time, for example, 24 or 48 hours, the cache can grow indefinitely, leading to an… | ||
| CVE-2020-14302 | Med | 0.32 | 4.9 | 0.01 | Dec 15, 2020 | A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay… | ||
| CVE-2020-1694 | Med | 0.32 | 4.9 | 0.02 | Sep 16, 2020 | A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions. | ||
| CVE-2024-9666 | Med | 0.31 | 4.7 | 0.00 | Nov 25, 2024 | A vulnerability was found in the Keycloak Server. The Keycloak Server is vulnerable to a denial of service (DoS) attack due to improper handling of proxy headers. When Keycloak is configured to accept incoming proxy headers, it may accept non-IP values, such as obfuscated… | ||
| CVE-2024-10451 | Med | 0.31 | 5.9 | 0.01 | Nov 25, 2024 | A flaw was found in Keycloak. This issue occurs because sensitive runtime values, such as passwords, may be captured during the Keycloak build process and embedded as default values in bytecode, leading to unintended information disclosure. In Keycloak 26, sensitive data… | ||
| CVE-2024-10973 | Med | 0.30 | 5.7 | 0.00 | Dec 17, 2024 | A vulnerability was found in Keycloak. The environment option `KC_CACHE_EMBEDDED_MTLS_ENABLED` does not work and the JGroups replication configuration is always used in plain text which can allow an attacker that has access to adjacent networks related to JGroups to read… | ||
| CVE-2025-13467 | Med | 0.29 | 5.5 | 0.00 | Nov 25, 2025 | A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration. |
- risk 0.35cvss 5.4epss 0.01
A flaw was found in Keycloak. When an Active Directory user resets their password, the system updates it without performing an LDAP bind to validate the new credentials against AD. This vulnerability allows users whose AD accounts are expired or disabled to regain access in…
- risk 0.35cvss 6.5epss 0.01
A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server…
- risk 0.35cvss 6.5epss 0.01
A vulnerability was found in the Keycloak-services package. If untrusted data is passed to the SearchQueryUtils method, it could lead to a denial of service (DoS) scenario by exhausting system resources due to a Regex complexity.
- risk 0.35cvss 5.4epss 0.03
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.
- risk 0.35cvss 5.3epss 0.01
A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.
- risk 0.35cvss 5.4epss 0.01
A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token.
- risk 0.35cvss 5.4epss 0.01
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
- risk 0.34cvss 5.3epss 0.00
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…
- risk 0.33cvss 6.1epss 0.00
A flaw was found in the Keycloak Node.js Adapter. This flaw allows an attacker to benefit from an Open Redirect vulnerability in the checkSso function.
- risk 0.32cvss 4.9epss 0.00
A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative…
- risk 0.32cvss 4.9epss 0.00
A flaw was found in the organization management component of Keycloak. A delegated administrator with permission to manage organizations can create an invitation for a non-existent email address and then retrieve the secret registration link directly through the application…
- risk 0.32cvss 6.0epss 0.00
A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser…
- risk 0.32cvss 4.9epss 0.00
A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted…
- risk 0.32cvss 4.9epss 0.01
A flaw was found in Keycloak. When the configuration uses JWT tokens for authentication, the tokens are cached until expiration. If a client uses JWT tokens with an excessively long expiration time, for example, 24 or 48 hours, the cache can grow indefinitely, leading to an…
- risk 0.32cvss 4.9epss 0.01
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay…
- risk 0.32cvss 4.9epss 0.02
A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions.
- risk 0.31cvss 4.7epss 0.00
A vulnerability was found in the Keycloak Server. The Keycloak Server is vulnerable to a denial of service (DoS) attack due to improper handling of proxy headers. When Keycloak is configured to accept incoming proxy headers, it may accept non-IP values, such as obfuscated…
- risk 0.31cvss 5.9epss 0.01
A flaw was found in Keycloak. This issue occurs because sensitive runtime values, such as passwords, may be captured during the Keycloak build process and embedded as default values in bytecode, leading to unintended information disclosure. In Keycloak 26, sensitive data…
- risk 0.30cvss 5.7epss 0.00
A vulnerability was found in Keycloak. The environment option `KC_CACHE_EMBEDDED_MTLS_ENABLED` does not work and the JGroups replication configuration is always used in plain text which can allow an attacker that has access to adjacent networks related to JGroups to read…
- risk 0.29cvss 5.5epss 0.00
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
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