Cross-site Scripting (XSS)

org.keycloak:keycloak-services is vulnerable to Cross-site Scripting XSS attacks. A remote attacker is able to insert an arbitrary URI into an error page via the oob OAuth endpoint due to incorrect null-byte handling...

PT-2023-2764 · Red Hat · Keycloak

Name of the Vulnerable Software and Affected Versions: Keycloak affected versions not specified Description: A flaw was found in Keycloak's OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request...

The vulnerability of the Keycloak identity and access management software lies in its default access rights settings, which allow a malicious actor to execute arbitrary code.

The vulnerability of the Keycloak identity and access management software is related to the default access rights settings. Exploiting this vulnerability could allow a malicious actor to execute arbitrary code remotely...

PT-2023-12689 · Red Hat · Keycloak Node.Js Adapter

Name of the Vulnerable Software and Affected Versions: Keycloak Node.js Adapter affected versions not specified Description: A flaw was found in the Keycloak Node.js Adapter, allowing an attacker to benefit from an Open Redirect vulnerability in the checkSso function. This issue is also present...

keycloak: reflected XSS attack

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...

keycloak: HTML injection in execute-actions-email Admin REST API

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...

keycloak: user impersonation via stolen uuid code

A flaw was found in Keycloak's 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 issu...

keycloak: Client Registration endpoint does not check token revocation

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...

keycloak: Session takeover with OIDC offline refreshtokens

A flaw was found in the offlineaccess 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...

keycloak: XSS on impersonation under specific circumstances

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...

Adapter: Open redirect vulnerability in checkSSO

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...

keycloak: XSS on impersonation under specific circumstances

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...

keycloak: Session takeover with OIDC offline refreshtokens

A flaw was found in the offlineaccess 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...

keycloak: Client Registration endpoint does not check token revocation

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...

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 domain or possibly conduct further attacks. Thi...

keycloak: reflected XSS attack

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...

keycloak: user impersonation via stolen uuid code

A flaw was found in Keycloak's 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 issu...

keycloak: HTML injection in execute-actions-email Admin REST API

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...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update

A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

keycloak: Client Registration endpoint does not check token revocation

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...