build_of_keycloak vulnerabilities
CVEs whose affected-version data names the build_of_keycloak package (maven, npm). Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
90 CVEsRSS
CVE-2026-68498High· 7.5com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of Service via excessively long JSON propert…
A flaw was found in jackson-core. When parsing JSON data from character-based inputs, the parser does not enforce configured property name length limits while reading object keys into memory. A remote, unauthenticated attacker can exploit …
CVE-2026-107889Medium· 5.5A flaw was found in the login theme rendering component of Keycloak
A flaw was found in the login theme rendering component of Keycloak. The issue occurs because the security filter responsible for cleaning user input can be bypassed, allowing a realm administrator to store malicious scripts in display f…
CVE-2026-83557Medium· 5.6DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator
DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator. It denies polymorphic resolution only for a fixed set of "unsafe bas…
CVE-2026-62243High· 7.5Netty (io.netty:netty-handler) versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain (non-extended) X509TrustManager is use…
Netty (io.netty:netty-handler) versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain (non-extended) X509TrustManager is use…
CVE-2026-16100Medium· 6.5A flaw was found in the user-event metrics recording of Keycloak
A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-s…
CVE-2026-16071Medium· 5.4A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories
A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished N…
CVE-2026-15573High· 8.1A flaw was found in Keycloak's Authorization Services
A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies (PathMatcher) does not properly normalize URIs before comparison. By adding extra characters like a trailing…
CVE-2026-16102High· 8.1A flaw was found in the Dynamic Client Registration (DCR) component of Keycloak, an identity and access management solution
A flaw was found in the Dynamic Client Registration (DCR) component of Keycloak, an identity and access management solution. The default DCR policy fails to properly validate the claim path for User Property mappers, allowing them to wri…
CVE-2026-68494High· 7.5The fix released in jackson-core 2.18.6 and 2.21.1 for CVE-2026-18401 (GHSA-72hv-8253-57qq, number length constraint bypass in the non-blocking parser) is incomplete
The fix released in jackson-core 2.18.6 and 2.21.1 for CVE-2026-18401 (GHSA-72hv-8253-57qq, number length constraint bypass in the non-blocking parser) is incomplete. This record covers the remaining bypass. The earlier fix wired valida…
CVE-2026-59650High· 7.4In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value
In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
CVE-2026-12185Medium· 6.5In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check
In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
CVE-2026-18573Medium· 6.5A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows
A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication…
CVE-2026-18572Medium· 6.5Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies (for example, only allowing access during business hours)
Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies (for example, only allowing access during business hours). A flaw was discovered where a user can include a fake ti…
CVE-2026-18571Medium· 6.6A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled
A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups t…
CVE-2026-18570Medium· 5.4A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component
A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component. This component is responsible for enforcing security policies during client registration and configuration in Red Hat Build of Key…
CVE-2026-18218Medium· 4.2A flaw was found in the TokenManager component of the Keycloak identity management service
A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens for a specific application (client) using a "not-before" policy, the revocation may be silently i…
CVE-2026-18217Low· 3.4A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution
A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is…
CVE-2026-18215Medium· 6.8Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization (tenant)
Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization (tenant). A flaw was discovered where this restriction is ignored when using the token exchange feature. This means …
CVE-2026-18211Medium· 4.2A flaw was found in the secure-client-uris client policy executor within Keycloak core services
A flaw was found in the secure-client-uris client policy executor within Keycloak core services. This component is responsible for enforcing security requirements on client configurations, such as requiring encrypted connections for redi…
CVE-2026-18209Low· 3.4A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect (OIDC) authentication flows
A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect (OIDC) authentication flows. The issue occurs because the security check designed to prevent HTTP parameter pollution only inspects the query p…
CVE-2026-18208Medium· 6.5A flaw was found in the OIDC token introspection endpoint of the keycloak-services component
A flaw was found in the OIDC token introspection endpoint of the keycloak-services component. Keycloak is an open-source identity and access management solution used to secure modern applications and services. The issue occurs when a con…
CVE-2026-18206Low· 3.7A flaw was found in the keycloak-services component of Keycloak, which provides identity and access management services
A flaw was found in the keycloak-services component of Keycloak, which provides identity and access management services. The issue occurs when a realm administrator uses a wildcard domain (like *.example.com) to restrict which hosts can …
CVE-2026-16105Medium· 4.9A flaw was found in the RoleContainerResource component of Keycloak
A flaw was found in the RoleContainerResource component of Keycloak. The issue occurs because certain name-based endpoints in the admin REST API do not properly enforce authorization checks when managing composite roles. This allows a de…
CVE-2026-18214Medium· 6.8Keycloak allows users to log in using Google accounts and can be configured to only allow users from specific Google Workspace domains
Keycloak allows users to log in using Google accounts and can be configured to only allow users from specific Google Workspace domains. A flaw was found where the token exchange feature, which allows swapping a Google token for a Keycloa…
CVE-2026-18201Medium· 5.5Keycloak provides a way to manage identity providers and organizations through its administrative API
Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could link a new provider to an organization…
CVE-2026-53669Medium· 5.4react-router: React Router: Open Redirect vulnerability via backslashes in navigation components (CVE-2026-53669)
A flaw was found in React Router, a routing library for React applications. A remote attacker could exploit this vulnerability by crafting a malicious link that uses backslashes within the <Link> or useNavigate components. This could lead …
CVE-2026-64641High· 7.5next: Next.js: Denial of Service via crafted requests to App Router with Server Actions (CVE-2026-64641)
A flaw was found in Next.js, a React framework for building web applications. A remote attacker can send specially crafted requests to Next.js applications that utilize the App Router with Server Actions. This can lead to excessive CPU usa…
CVE-2026-17059Medium· 6.5A flaw was found in the role-users endpoint of the keycloak-services library, which is the core component of the Keycloak identity and access management solution
A flaw was found in the role-users endpoint of the keycloak-services library, which is the core component of the Keycloak identity and access management solution. The issue occurs because the system fails to check if an administrator has…
CVE-2026-17048Medium· 5.5A flaw was found in the Keycloak Admin REST API, which is used to manage security realms and clients
A flaw was found in the Keycloak Admin REST API, which is used to manage security realms and clients. The issue occurs when the system processes requests for rotated client secrets that are stored in a secure vault. Due to improper bound…
CVE-2026-56819High· 7.5PoCio.netty/netty-codec-http2: Netty: Denial of Service via HTTP/2 DATA frame memory leak (CVE-2026-56819)
A flaw was found in Netty, a network application framework. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted HTTP/2 DATA frames to applications that use Netty and have HTTP/2 content decompress…