4657 matches found
GHSA-P5MV-GJ8J-XQGF Keycloak: Denial of Service via specially crafted SAML input
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...
GHSA-C739-F6XW-6PV2 Keycloak Protection API allows authenticated clients to access and modify resources owned by other Resource Servers
Keycloak's Authorization Services feature exposes a User-Managed Access Protection API that include an Insecure Direct Object Reference IDOR vulnerability in the Authorization Services Protection API endpoint. By knowing or obtaining a resource's unique identifier UUID belonging to another Resour...
Keycloak: Denial of Service via specially crafted SAML input
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...
ch.iterial.keycloak.plugins:keycloak-directus-plugin (>=0.1.0 <=0.7.0), com.charlyghislain.keycloak:keycloak-importexport (>=21.0.0 <=23.0.1) +174 more potentially affected by CVE-2026-37982 via org.keycloak:keycloak-services (>=1.0-alpha-1 <=26.6.1)
org.keycloak:keycloak-services MAVEN version =1.0-alpha-1, =0.1.0, =21.0.0, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.11 - com.github.wnameless.spring.boot.up:spring-boot-up-embedded-keycloak =24.3.0.0 -...
GHSA-W4P5-RFH6-CWRV Keycloak: Unauthorized account takeover via WebAuthn token replay
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...
GHSA-933F-RG6J-F46P Keycloak Account Resources user lookup contains broken access control
Keycloak's Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access UMA resource, to enumerate and harvest personally identifiable information PII for all realm users. By sending crafted requests with arbitrary usernames or email values,...
Keycloak: Unauthorized account takeover via WebAuthn token replay
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...
Keycloak: Information disclosure via OIDC token introspection endpoint audience bypass
A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...
GHSA-RRV7-3MQF-HXFR Keycloak: Information Disclosure via evaluate-scopes Admin API
A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...
ch.iterial.keycloak.plugins:keycloak-directus-plugin (>=0.1.0 <=0.7.0), com.charlyghislain.keycloak:keycloak-importexport (>=21.0.0 <=23.0.1) +174 more potentially affected by CVE-2026-37978 via org.keycloak:keycloak-services (>=1.0-alpha-1 <=26.6.1)
org.keycloak:keycloak-services MAVEN version =1.0-alpha-1, =0.1.0, =21.0.0, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.11 - com.github.wnameless.spring.boot.up:spring-boot-up-embedded-keycloak =24.3.0.0 -...
ch.iterial.keycloak.plugins:keycloak-directus-plugin (>=0.1.0 <=0.7.0), com.charlyghislain.keycloak:keycloak-importexport (>=21.0.0 <=23.0.1) +174 more potentially affected by CVE-2026-37979 via org.keycloak:keycloak-services (>=1.0-alpha-1 <=26.6.1)
org.keycloak:keycloak-services MAVEN version =1.0-alpha-1, =0.1.0, =21.0.0, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.11 - com.github.wnameless.spring.boot.up:spring-boot-up-embedded-keycloak =24.3.0.0 -...
Keycloak: Information Disclosure via evaluate-scopes Admin API
A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...
GHSA-4X37-HW65-52W8 Keycloak: Information disclosure via OIDC token introspection endpoint audience bypass
A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...
CVE-2026-7507
A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted link. By leveraging the /login-actions/restart endpoint—which...
CVE-2026-7504
A flaw was found in Keycloak's URL validation logic during redirect operations. By crafting a malicious request, an attacker could bypass validation to redirect users to unauthorized URLs, potentially leading to the exposure of sensitive information within the domain or facilitating further...
CVE-2026-7571
A flaw was found in Keycloak. A low-privilege user, with knowledge of user credentials and client ID, can bypass a security control intended to disable the implicit flow in OpenID Connect OIDC clients. By manipulating client data during a session restart, an attacker can obtain an access token th...
CVE-2026-4630
A flaw was found in Keycloak. An authenticated client could exploit an Insecure Direct Object Reference IDOR vulnerability in the Authorization Services Protection API endpoint. By knowing or obtaining a resource's unique identifier UUID belonging to another Resource Server within the same realm,...
CVE-2026-7307
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...
CVE-2026-37981
A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access UMA resource, to enumerate and harvest personally identifiable information PII for all realm users. By...
CVE-2026-37982
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...