PT-2026-81990

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 locks them out. Thi...

Exploit for CVE-2026-18963

CVE-2026-18963 — Keycloak Reset-Credentials Bypass → Account T...

Missing Authorization

Keycloak is vulnerable to Missing Authorization. The vulnerability is due to improper filtering of token claims in signed JWT introspection responses for tokens issued to a different audience, which allows an unauthorized client to bypass audience restrictions and access sensitive token informati...

CVE-2025-68833

HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control which could allow an attacker unauthorized access to resources...

Sensitive Information Disclosure

Keycloak is vulnerable to Sensitive Information Disclosure. The vulnerability is due to improper authorization when retrieving rotated client secrets stored in a secure vault, which allows a delegated administrator with view-only permissions to obtain the actual secret instead of the vault...

CVE-2025-68833 HCL Hive is affected by use of a cryptographic primitive with a risky implementation

HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control which could allow an attacker unauthorized access to resources...

EUVD-2025-210762

HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control which could allow an attacker unauthorized access to resources...

CVE-2025-68833

HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control , which could allow an unauthenticated, remote attacker to gain unauthorized access to resources . The CVSS 3.1 score is 5.3 (Medium) , reflecting a network attack vector with low complexity, no privileges or...

CVE-2025-68833 HCL Hive is affected by use of a cryptographic primitive with a risky implementation

HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control which could allow an attacker unauthorized access to resources...

Improper Authentication

Keycloak is vulnerable to Improper Authentication. The vulnerability is due to incorrect handling of SAML identity provider metadata that lacks key usage attributes, which allows an unauthenticated attacker to bypass SAML signature validation, forge a SAML response, and gain unauthorized access t...

Improper Authorization

Keycloak is vulnerable to Improper Authorization. The vulnerability is due to missing authorization checks in name-based admin REST API endpoints for composite role management, which allows a delegated administrator with manage-realm permissions to remove essential child roles from built-in admin...

Improper Authorization

Keycloak is vulnerable to Improper Authorization. The vulnerability is due to flawed group policy evaluation using a text-based prefix check for group membership, which allows a user belonging to a similarly named but unauthorized group to bypass access controls and gain unauthorized access to...

Exploit for CVE-2026-18963

POC-CVE-20...

Critical Keycloak Password Reset Flaw Could Let Unauthenticated Attackers Take Over Any Account

Red Hat and the Keycloak project have released patches to address a critical security flaw in the open-source identity and access management server that could allow an unauthenticated remote attacker to take over any user account by forcing a password reset. The vulnerability, assigned the CVE...

Missing Authorization

Keycloak is vulnerable to Missing Authorization. The vulnerability is due to missing authorization checks when delegated administrators remove child roles from composite roles, which allows an attacker with limited administrative privileges to remove privileged roles they are not authorized to...

Authentication Bypass

Red Hat Build of Keycloak is vulnerable to an authentication bypass. The vulnerability is due to improper validation of cryptographic signatures when an OIDC identity provider is configured to skip signature validation, which allows an attacker with knowledge of specific session details to send a...

Authentication Policy Bypass

org.keycloak, keycloak-services is vulnerable to an authentication policy bypass. The vulnerability is due to improper evaluation of the client state during client updates, which allows an attacker with client management permissions to create a public client and subsequently update it to a...

Authorization Bypass

Keycloak is vulnerable to an authorization bypass. The vulnerability is due to improper validation of the fullScopeAllowed field when it is omitted from a client registration or configuration request, which allows a delegated attacker to bypass the policy, create a client with full-scope access,...

Improper Authentication

Keycloak is vulnerable to Improper Authentication. The vulnerability is due to improper validation of client authentication assertions, which allows an attacker with valid client credentials to supply a fake unsigned assertion header and bypass policies requiring signed JWT authentication...

OAuth 2.0 Authorization Code Binding Bypass

org.keycloak, keycloak-services is vulnerable to an OAuth 2.0 authorization code binding bypass. The vulnerability is due to authorization codes not being properly bound to the client that originally requested them, which allows an attacker who intercepts an authorization code to modify and redee...