Single Sign On
by Red Hat
CVEs (121)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2022-1274 | Med | 0.28 | 5.4 | 0.01 | Mar 29, 2023 | 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. | ||
| CVE-2021-3754 | Med | 0.28 | 5.3 | 0.02 | Aug 26, 2022 | 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. | ||
| CVE-2020-1724 | Med | 0.28 | 4.3 | 0.01 | May 11, 2020 | 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. | ||
| CVE-2019-14885 | Med | 0.28 | 4.3 | 0.01 | Jan 23, 2020 | A flaw was found in the JBoss EAP Vault system in all versions before 7.2.6.GA. Confidential information of the system property's security attribute value is revealed in the JBoss EAP log file when executing a JBoss CLI 'reload' command. This flaw can lead to the exposure of… | ||
| CVE-2019-14820 | Med | 0.28 | 4.3 | 0.01 | Jan 8, 2020 | 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. | ||
| CVE-2018-10894 | Med | 0.28 | 5.4 | 0.00 | Aug 1, 2018 | It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks. | ||
| CVE-2023-0264 | Med | 0.26 | 5.0 | 0.01 | Aug 4, 2023 | 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… | ||
| CVE-2026-0871 | Med | 0.25 | 4.9 | 0.00 | Feb 27, 2026 | 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,… | ||
| CVE-2019-14838 | Med | 0.25 | 4.9 | 0.01 | Oct 14, 2019 | A flaw was found in wildfly-core before 7.2.5.GA. The Management users with Monitor, Auditor and Deployer Roles should not be allowed to modify the runtime state of the server | ||
| CVE-2019-10157 | Med | 0.24 | 4.7 | 0.00 | Jun 12, 2019 | It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could… | ||
| CVE-2023-6134 | Med | 0.23 | 4.6 | 0.01 | Dec 14, 2023 | 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… | ||
| CVE-2023-5236 | Med | 0.22 | 4.4 | 0.01 | Dec 18, 2023 | A flaw was found in Infinispan, which does not detect circular object references when unmarshalling. An authenticated attacker with sufficient permissions could insert a maliciously constructed object into the cache and use it to cause out of memory errors and achieve a denial… | ||
| CVE-2022-4245 | Med | 0.21 | 4.3 | 0.01 | Sep 25, 2023 | A flaw was found in codehaus-plexus. The org.codehaus.plexus.util.xml.XmlWriterUtil#writeComment fails to sanitize comments for a --> sequence. This issue means that text contained in the command string could be interpreted as XML and allow for XML injection. | ||
| 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-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-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. | ||
| CVE-2020-14341 | Low | 0.18 | 2.7 | 0.01 | Jan 12, 2021 | The "Test Connection" available in v7.x of the Red Hat Single Sign On application console can permit an authorized user to cause SMTP connections to be attempted to arbitrary hosts and ports of the user's choosing, and originating from the RHSSO installation. By observing… | ||
| CVE-2023-2585 | Low | 0.16 | 3.5 | 0.01 | Dec 21, 2023 | Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an authorization admin into granting consent to a malicious OAuth client or possible… | ||
| CVE-2026-4874 | Low | 0.13 | 3.1 | 0.00 | Mar 26, 2026 | A flaw was found in Keycloak. An authenticated attacker can perform Server-Side Request Forgery (SSRF) by manipulating the `client_session_host` parameter during refresh token requests. This occurs when a Keycloak client is configured to use the `backchannel.logout.url` with the… |
- risk 0.28cvss 5.4epss 0.01
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.
- risk 0.28cvss 5.3epss 0.02
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.
- risk 0.28cvss 4.3epss 0.01
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.
- risk 0.28cvss 4.3epss 0.01
A flaw was found in the JBoss EAP Vault system in all versions before 7.2.6.GA. Confidential information of the system property's security attribute value is revealed in the JBoss EAP log file when executing a JBoss CLI 'reload' command. This flaw can lead to the exposure of…
- risk 0.28cvss 4.3epss 0.01
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.
- risk 0.28cvss 5.4epss 0.00
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
- risk 0.26cvss 5.0epss 0.01
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…
- risk 0.25cvss 4.9epss 0.00
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,…
- risk 0.25cvss 4.9epss 0.01
A flaw was found in wildfly-core before 7.2.5.GA. The Management users with Monitor, Auditor and Deployer Roles should not be allowed to modify the runtime state of the server
- risk 0.24cvss 4.7epss 0.00
It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could…
- risk 0.23cvss 4.6epss 0.01
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…
- risk 0.22cvss 4.4epss 0.01
A flaw was found in Infinispan, which does not detect circular object references when unmarshalling. An authenticated attacker with sufficient permissions could insert a maliciously constructed object into the cache and use it to cause out of memory errors and achieve a denial…
- risk 0.21cvss 4.3epss 0.01
A flaw was found in codehaus-plexus. The org.codehaus.plexus.util.xml.XmlWriterUtil#writeComment fails to sanitize comments for a --> sequence. This issue means that text contained in the command string could be interpreted as XML and allow for XML injection.
- 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 0.01
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 0.18cvss 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.
- risk 0.18cvss 2.7epss 0.01
The "Test Connection" available in v7.x of the Red Hat Single Sign On application console can permit an authorized user to cause SMTP connections to be attempted to arbitrary hosts and ports of the user's choosing, and originating from the RHSSO installation. By observing…
- risk 0.16cvss 3.5epss 0.01
Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an authorization admin into granting consent to a malicious OAuth client or possible…
- risk 0.13cvss 3.1epss 0.00
A flaw was found in Keycloak. An authenticated attacker can perform Server-Side Request Forgery (SSRF) by manipulating the `client_session_host` parameter during refresh token requests. This occurs when a Keycloak client is configured to use the `backchannel.logout.url` with the…
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