EUVD-2026-83601

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs in the group-membership endpoints where the system fails to check if a group grants administrative privileges before allowing a user to be added. This allows a delegated...

CVE-2026-94000 Keycloak-services: keycloak-services: delegated admin with manage-users can escalate to realm-admin via group membership

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs in the group-membership endpoints where the system fails to check if a group grants administrative privileges before allowing a user to be added. This allows a delegated...

CVE-2026-94000

A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs in the group-membership endpoints where the system fails to check if a group grants administrative privileges before allowing a user to be added. This allows a delegated...

CLEANSTART-2026-ZE25949 flaw was found in the default-groups REST endpoint and realm representation of Keycloak

Security vulnerability affects the keycloak package. A flaw was found in the default-groups REST endpoint and realm representation of Keycloak...

PT-2026-95826

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the Admin REST API of Keycloak. The issue resides in the group-membership endpoints, where the system does not verify if a group grants administrative privileges before...

CVE-2026-85511 Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2

A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding...

CVE-2026-85511

A parameter injection flaw was identified in Red Hat EAP's Elytron security subsystem. Specifically, an EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection allows parameter substitution due to missing URL encoding . The vulnerability is rated MEDIUM...

EUVD-2026-82946

A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding...

CVE-2026-85511 Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2

A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding...

CVE-2026-93606: Protection Mechanism Failure

vm2 npm versions 3.12.0 and earlier contain a sandbox escape in VM and NodeVM. When an embedder exposes a host API that returns a host-realm Promise, the bridge's rejection sanitizer hostPromiseSanitizeReject / makeSanitizedPromiseCallback / normalizeHostPromiseCallbacks in lib/bridge.js only wra...

AsyncHttpClient re-sends client-wide realm credentials to a cross-origin redirect target

Impact A client configured with a client-wide realm a Realm set on the config builder rather than on an individual request and following redirects could re-send those credentials to a redirect target on a different origin. The redirect code strips the per-exchange realm, but when the target...

CVE-2026-85717 AsyncHttpClient: Client-wide realm credentials re-sent to a cross-origin redirect target

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.14.5 to 2.16.0 and from 3.0.9 to 3.0.11, a client configured with a client-wide Realm and redirect following can disclose credentials after a cross-origin...

CVE-2026-92941: Incorrect Permission Assignment for Critical Resource

vm2 versions from 3.11.3 before 3.11.7 expose the host tls module to NodeVM sandbox code, allowing attackers to call tls.setDefaultCACertificates and replace process-wide certificate authorities. Attackers with access to allowed tls and url builtins can use URLSearchParams to create host-realm...

PT-2026-94325

Name of the Vulnerable Software and Affected Versions vm2 versions 3.10.0 through 3.11.7 Description Promises returned from the host realm into the sandbox are not marked as handled at the bridge boundary. While Promises created inside the sandbox are wrapped with a rejection-swallowing handler i...

CVE-2026-17526

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

CVE-2026-17526

CVE-2026-17526 is a privilege escalation vulnerability in Keycloak (open-source identity and access management), specifically in the keycloak-services component. A user holding the impersonation role can impersonate a realm administrator , gaining full administrative control over the realm—includ...

CVE-2026-17526 Keycloak-services: keycloak-services: privilege escalation via impersonation role allows takeover of realm administrator accounts

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

CVE-2026-17526 Keycloak-services: keycloak-services: privilege escalation via impersonation role allows takeover of realm administrator accounts

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

keycloak-services: keycloak-services: Privilege escalation via impersonation role allows takeover of realm administrator accounts

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.16 Security Update

New Red Hat build of Keycloak 26.4.16 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.16 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security...