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CVE-2026-14614

Keycloak-services: keycloak-services: fgap v2 client scope assignment bypass via clientresource

A flaw was found in the ClientResource component of Keycloak's admin services when Fine-Grained Admin Permissions (FGAP) v2 is enabled. This issue allows a delegated administrator, who should only have limited control over specific clients, to attach or remove hidden client scopes that they are not authorized to see or manage. As a result, an attacker could inject unauthorized data or permissions into the security tokens issued to end-users, potentially tricking other applications into granting higher levels of access than intended.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid and 5 more
CVE-2026-16100

Keycloak-services: keycloak-services: unbounded metric cardinality in user event metrics via request-controlled error text

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-supplied input like nonexistent client IDs, an authenticated user can create a massive number of unique metric entries, eventually exhausting system memory and causing the service to crash or become unavailable.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid 8 and 5 more
CVE-2026-16442

Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction

A flaw was found in the SAML broker component of Keycloak, which is used to manage identity federation and user authentication. The issue occurs because the IdP-initiated Single Sign-On endpoint fails to check if a provider is restricted to account linking only. This allows an attacker with control over a linked upstream identity to bypass login restrictions and gain full access to a local user account.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid 8 and 5 more
CVE-2026-16443

Keycloak-services: keycloak-services: saml broker metadata import disables response signature validation

A flaw was found in the SAML metadata import functionality of the keycloak-services component, which is the core engine for identity brokering in Red Hat Build of Keycloak. When importing identity provider metadata that lacks specific usage attributes for keys, the system incorrectly disables signature validation for SAML responses even if a signing certificate is provided. This issue allows an unauthenticated attacker to forge a SAML response and gain unauthorized access to a user account by knowing their external identifier.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid 8 and 5 more
CVE-2026-18211

Keycloak-services: keycloak-services: secure-client-uris policy bypass via localhost-prefixed domains

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 redirect URIs. Due to an improper check that only looks at the start of a web address rather than properly verifying the host, an attacker can bypass these security restrictions by using a specially crafted domain name. This could allow an attacker to intercept sensitive authentication codes over unencrypted connections.

CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid and 5 more
CVE-2026-14781

Keycloak-services: keycloak-services: oidc email_verified claim incorrectly applied to userinfo email

A flaw exists in the org.keycloak.broker.oidc package where the OIDC broker incorrectly synchronizes the email_verified claim. When an OIDC identity provider is configured with trustEmail=true and the userinfo endpoint is enabled, Keycloak retrieves the email address from the userinfo response but retrieves the email_verified status exclusively from the id_token. The root cause is a lack of validation ensuring that the email_verified claim in the id_token actually refers to the email address returned by the userinfo endpoint. If these two sources return different email addresses, the id_token's email_verified=true claim is blindly applied to the userinfo email. Exploitation Conditions: The OIDC identity provider must have trustEmail set to true (non-default). The userinfo endpoint must be enabled (default). The attacker must control or have compromised the upstream OIDC provider. Concrete Impact: Mark arbitrary email addresses as verified in the Keycloak database. Bypass email-based security controls or verification workflows. Potential account takeover if the application relies solely on the email_verified flag from the IdP to link accounts.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid and 5 more
CVE-2026-3260

undertow: Undertow: Denial of Service due to premature multipart/form-data parsing in GET requests

The Undertow web server enforces a default maximum HTTP request entity size limit. Any request (including GET or HEAD) containing a body that exceeds this configurable limit is safely dropped by the server, preventing single-request Resource Exhaustion (Out of Memory) Denial of Service attacks.

CVSS 3.1 · 5.9 Medium EPSS n/a KEV · Not listed
Vendors
Redhat
Products
Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot Data Grid and 7 more
CVE-2026-11577

keycloak: keycloak: privilege escalation via partialImport FGAP permission bypass

The reported behavior does not constitute a privilege escalation. Exploitation requires the attacker to already possess the manage-realm administrative role within the realm-management client. By design, the manage-realm role is intended to be equivalent in administrative authority to realm-admin. A user with manage-realm already has full administrative control over the realm. Therefore, importing users with realm-admin role mappings through POST /admin/realms/{realm}/partialImport does not grant any additional privileges beyond those already held by the administrator and does not represent a security vulnerability.

CVSS 3.1 · 7.2 High EPSS n/a KEV · Not listed
Vendors
Redhat
Products
Build Of Keycloak Data Grid Jboss Enterprise Application Platform and 2 more
CVE-2026-11800

Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Keycloak Build Of Keycloak Data Grid and 4 more
CVE-2025-5731

Infinispan: credential leakage in infinispan cli

A flaw was found in Infinispan CLI. A sensitive password, decoded from a Base64-encoded Kubernetes secret, is processed in plaintext and included in a command string that may expose the data in an error message when a command is not found.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan Data Grid Jboss Data Grid and 3 more
CVE-2023-4586

Hotrod-client: hot rod client does not enable hostname validation when using tls that lead to a mitm attack

A vulnerability was found in the Hot Rod client. This security issue occurs as the Hot Rod client does not enable hostname validation when using TLS, possibly resulting in a man-in-the-middle (MITM) attack.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Hot Rod Data Grid Jboss Data Grid
CVE-2023-5384

Infinispan: credentials returned from configuration as clear text

A flaw was found in Infinispan. When serializing the configuration for a cache to XML/JSON/YAML, which contains credentials (JDBC store with connection pooling, remote store), the credentials are returned in clear text as part of the configuration.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan Data Grid Jboss Data Grid
CVE-2023-3629

Infinispan: non-admins should not be able to get cache config via rest api

A flaw was found in Infinispan's REST, Cache retrieval endpoints do not properly evaluate the necessary admin permissions for the operation. This issue could allow an authenticated user to access information outside of their intended permissions.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan Data Grid Jboss Data Grid and 1 more
CVE-2023-3628

Infispan: rest bulk ops don't check permissions

A flaw was found in Infinispan's REST. Bulk read endpoints do not properly evaluate user permissions for the operation. This issue could allow an authenticated user to access information outside of their intended permissions.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan Data Grid Jboss Data Grid and 1 more
CVE-2015-7501

apache-commons-collections: InvokerTransformer code execution during deserialisation

Red Hat JBoss A-MQ 6.x; BPM Suite (BPMS) 6.x; BRMS 6.x and 5.x; Data Grid (JDG) 6.x; Data Virtualization (JDV) 6.x and 5.x; Enterprise Application Platform 6.x, 5.x, and 4.3.x; Fuse 6.x; Fuse Service Works (FSW) 6.x; Operations Network (JBoss ON) 3.x; Portal 6.x; SOA Platform (SOA-P) 5.x; Web Server (JWS) 3.x; Red Hat OpenShift/xPAAS 3.x; and Red Hat Subscription Asset Manager 1.3 allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.

CVSS 3.0 · 9.8 Critical EPSS 85.6% KEV · Not listed
Vendors
Redhat
Products
Data Grid Enterprise Linux Jboss A-mq and 19 more
CVE-2021-3642

wildfly-elytron: possible timing attack in ScramServer

A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Quarkus Redhat
Products
Quarkus Build Of Quarkus Camel Quarkus and 15 more
CVE-2021-3536

wildfly: XSS via admin console when creating roles in domain mode

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Of Quarkus Data Grid Descision Manager and 9 more
CVE-2021-31917

Infinispan: Authentication bypass on REST endpoints when using DIGEST authentication mechanism

A flaw was found in Red Hat DataGrid 8.x (8.0.0, 8.0.1, 8.1.0 and 8.1.1) and Infinispan (10.0.0 through 12.0.0). An attacker could bypass authentication on all REST endpoints when DIGEST is used as the authentication method. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan-server-rest Data Grid Jboss Data Grid
CVE-2020-25711

infinispan: authorization check missing for server management operations

A flaw was found in infinispan 10 REST API, where authorization permissions are not checked while performing some server management operations. When authz is enabled, any user with authentication can perform operations like shutting down the server without the ADMIN role.

CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Infinispan Netapp Redhat
Products
Infinispan Active Iq Unified Manager Data Grid and 1 more
CVE-2020-25644

wildfly-openssl: memory leak per HTTP session creation in WildFly OpenSSL

A memory leak flaw was found in WildFly OpenSSL in versions prior to 1.1.3.Final, where it removes an HTTP session. It may allow the attacker to cause OOM leading to a denial of service. The highest threat from this vulnerability is to system availability.

CVSS 3.1 · 7.5 High EPSS 2.4% KEV · Not listed
Vendors
Netapp Redhat
Products
Oncommand Insight Oncommand Workflow Automation Service Level Manager and 9 more