CVE-2026-2575 Keycloak: keycloak: denial of service due to excessive samlrequest decompression

A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service DoS by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryErro...

CVE-2026-2603

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2092

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2603

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2603 Keycloak: keycloak: unauthorized authentication via disabled saml identity provider

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2603 Keycloak: keycloak: unauthorized authentication via disabled saml identity provider

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2603

CVE-2026-2603 affects Keycloak: an attacker can bypass security by sending a valid SAML response from an external IdP to the Keycloak SAML endpoint for IdP-initiated broker logins, enabling unauthorized authentication. The issue is described across multiple sources (NVD/EUVD/GHSA) with a CVSS v3....

CVE-2026-2092 Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2092 Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2092

Keycloak SAML broker endpoint vulnerability: encrypted SAML assertions are not properly validated when the overall SAML response is unsigned. An attacker with a valid signed SAML assertion can craft a malicious SAML response to inject an encrypted assertion for an arbitrary principal, leading to ...

CVE-2026-2092

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2603: Missing Authentication for Critical Function

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

PT-2026-26028

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak, an identity and access management solution, where it incorrectly handles HTTP redirects when processing specific client configuration requests. This allows an...

PT-2026-25967

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak’s Security Assertion Markup Language SAML broker endpoint. The endpoint does not properly validate encrypted assertions when the overall SAML response is not signed...

Keycloak 代码问题漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak itself. Keycloak has code-related vulnerabilities; these vulnerabilities stem from improper handling of client configuration requests through HTTP redirection, which may lead to information leaks and internal...

CVE-2026-2092: Improper Validation of Specified Type of Input

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

PT-2026-26027

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where an unauthenticated remote attacker can trigger an application-level Denial of Service DoS by sending a highly compressed SAMLRequest through the SAML Redirect...

CVE-2026-2575: Improper Handling of Highly Compressed Data (Data Amplification)

A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service DoS by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryErro...

CVE-2026-4366: Server-Side Request Forgery (SSRF)

A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. This behavior allows an attacker to trick the server into making unintended requests to internal or restricted resources...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the lack of enforcement of size limits in SAML redirection bindings. This vulnerability may lead to application-level denial-of-service attacks...