Single Sign On
by Red Hat
CVEs (121)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-3121 | Med | 0.35 | 6.5 | 0.00 | Mar 26, 2026 | A flaw was found in Keycloak. An administrator with `manage-clients` permission can exploit a misconfiguration where this permission is equivalent to `manage-permissions`. This allows the administrator to escalate privileges and gain control over roles, users, or other… | ||
| CVE-2024-4629 | Med | 0.35 | 6.5 | 0.01 | Sep 3, 2024 | 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… | ||
| 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-2020-25689 | Med | 0.35 | 5.3 | 0.01 | Nov 2, 2020 | A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out… | ||
| CVE-2020-1710 | Med | 0.35 | 5.3 | 0.01 | Sep 16, 2020 | The issue appears to be that JBoss EAP 6.4.21 does not parse the field-name in accordance to RFC7230[1] as it returns a 200 instead of a 400. | ||
| CVE-2020-14297 | Med | 0.35 | 6.5 | 0.01 | Jul 24, 2020 | A flaw was discovered in Wildfly's EJB Client as shipped with Red Hat JBoss EAP 7, where some specific EJB transaction objects may get accumulated over the time and can cause services to slow down and eventaully unavailable. An attacker can take advantage and cause denial of… | ||
| CVE-2019-14900 | Med | 0.35 | 6.5 | 0.02 | Jul 6, 2020 | A flaw was found in Hibernate ORM in versions before 5.3.18, 5.4.18 and 5.5.0.Beta1. A SQL injection in the implementation of the JPA Criteria API can permit unsanitized literals when a literal is used in the SELECT or GROUP BY parts of the query. This flaw could allow an… | ||
| CVE-2019-3872 | Med | 0.35 | 5.4 | 0.01 | Jun 12, 2019 | It was found that a SAMLRequest containing a script could be processed by Picketlink versions shipped in Jboss Application Platform 7.2.x and 7.1.x. An attacker could use this to send a malicious script to achieve cross-site scripting and obtain unauthorized information or… | ||
| CVE-2018-10934 | Med | 0.35 | 5.4 | 0.01 | Mar 27, 2019 | A cross-site scripting (XSS) vulnerability was found in the JBoss Management Console versions before 7.1.6.CR1, 7.1.6.GA. Users with roles that can create objects in the application can exploit this to attack other privileged users. | ||
| 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-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-2019-10219 | Med | 0.33 | 6.1 | 0.02 | Nov 8, 2019 | A vulnerability was found in Hibernate-Validator. The SafeHtml validator annotation fails to properly sanitize payloads consisting of potentially malicious code in HTML comments and instructions. This vulnerability can result in an XSS attack. | ||
| CVE-2022-2764 | Med | 0.32 | 4.9 | 0.01 | Sep 1, 2022 | A flaw was found in Undertow. Denial of service can be achieved as Undertow server waits for the LAST_CHUNK forever for EJB invocations. | ||
| CVE-2018-10912 | Med | 0.32 | 4.9 | 0.01 | Jul 23, 2018 | 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 to achieve Denial… | ||
| CVE-2020-10687 | Med | 0.31 | 4.8 | 0.01 | Sep 23, 2020 | A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a… | ||
| CVE-2023-6927 | Med | 0.30 | 4.6 | 0.01 | Dec 18, 2023 | 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. | ||
| CVE-2018-14655 | Med | 0.30 | 4.6 | 0.01 | Nov 13, 2018 | A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login. | ||
| CVE-2023-2422 | Med | 0.29 | 5.5 | 0.01 | Oct 4, 2023 | 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… | ||
| CVE-2026-15945 | Med | 0.28 | 4.3 | 0.00 | Jul 16, 2026 | A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions (FGAP) v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching… |
- risk 0.35cvss 6.5epss 0.00
A flaw was found in Keycloak. An administrator with `manage-clients` permission can exploit a misconfiguration where this permission is equivalent to `manage-permissions`. This allows the administrator to escalate privileges and gain control over roles, users, or other…
- risk 0.35cvss 6.5epss 0.01
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…
- 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 5.3epss 0.01
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out…
- risk 0.35cvss 5.3epss 0.01
The issue appears to be that JBoss EAP 6.4.21 does not parse the field-name in accordance to RFC7230[1] as it returns a 200 instead of a 400.
- risk 0.35cvss 6.5epss 0.01
A flaw was discovered in Wildfly's EJB Client as shipped with Red Hat JBoss EAP 7, where some specific EJB transaction objects may get accumulated over the time and can cause services to slow down and eventaully unavailable. An attacker can take advantage and cause denial of…
- risk 0.35cvss 6.5epss 0.02
A flaw was found in Hibernate ORM in versions before 5.3.18, 5.4.18 and 5.5.0.Beta1. A SQL injection in the implementation of the JPA Criteria API can permit unsanitized literals when a literal is used in the SELECT or GROUP BY parts of the query. This flaw could allow an…
- risk 0.35cvss 5.4epss 0.01
It was found that a SAMLRequest containing a script could be processed by Picketlink versions shipped in Jboss Application Platform 7.2.x and 7.1.x. An attacker could use this to send a malicious script to achieve cross-site scripting and obtain unauthorized information or…
- risk 0.35cvss 5.4epss 0.01
A cross-site scripting (XSS) vulnerability was found in the JBoss Management Console versions before 7.1.6.CR1, 7.1.6.GA. Users with roles that can create objects in the application can exploit this to attack other privileged users.
- 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 0.33cvss 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 0.33cvss 6.1epss 0.02
A vulnerability was found in Hibernate-Validator. The SafeHtml validator annotation fails to properly sanitize payloads consisting of potentially malicious code in HTML comments and instructions. This vulnerability can result in an XSS attack.
- risk 0.32cvss 4.9epss 0.01
A flaw was found in Undertow. Denial of service can be achieved as Undertow server waits for the LAST_CHUNK forever for EJB invocations.
- risk 0.32cvss 4.9epss 0.01
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 to achieve Denial…
- risk 0.31cvss 4.8epss 0.01
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a…
- risk 0.30cvss 4.6epss 0.01
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.
- risk 0.30cvss 4.6epss 0.01
A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.
- risk 0.29cvss 5.5epss 0.01
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…
- risk 0.28cvss 4.3epss 0.00
A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions (FGAP) v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching…
Page 5 of 7