CVE-2026-9099 Keycloak: group-admin escalation to realm-admin

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

EUVD-2026-39472

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

CVE-2026-9099

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

CVE-2026-9099

Keycloak contains a flaw in GroupResource.addChild() in the Admin REST API where missing authorization allows an authenticated user with limited admin privileges to reparent any group. Under FGAPv2, a manager of a low-privilege group can reparent a highly privileged group (e.g., realm-admin) unde...

CVE-2026-9099 Keycloak: group-admin escalation to realm-admin

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

CVE-2026-9083

A flaw was found in Keycloak. A realm administrator with the "manage-realm" role can exploit this vulnerability by submitting an arbitrary filesystem path as a keystore parameter when creating a key provider component. This allows the administrator to probe arbitrary filesystem paths, determining...

CVE-2026-9099

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the keystore parameter when creating a key provider component. An attacker can determine the existence and readability of files on the server by submitting crafted filesystem paths. This is only exploitable if th...

Directory Traversal

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Directory Traversal via the keystore parameter when creating a key provider component. An attacker can...

CVE-2026-9099: Authorization Bypass Through User-Controlled Key

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

CVE-2026-9083: Improper Limitation of a Pathname to a Restricted Directory

A flaw was found in Keycloak. A realm administrator with the "manage-realm" role can exploit this vulnerability by submitting an arbitrary filesystem path as a keystore parameter when creating a key provider component. This allows the administrator to probe arbitrary filesystem paths, determining...

PT-2026-52505

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A realm administrator with the manage-realm role can probe arbitrary filesystem paths by submitting an arbitrary path as a keystore parameter during the creation of a key provider component...

PT-2026-52507

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing...

EUVD-2026-38869

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c "netfilter: xtables: use NFPROTOUNSPEC in more extensions" to allow ipv4 and ipv6 only. - xtmac - xtowner - xtphysdev...

CVE-2026-53001

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c "netfilter: xtables: use NFPROTOUNSPEC in more extensions" to allow ipv4 and ipv6 only. - xtmac - xtowner - xtphysdev...

CVE-2026-53001

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c "netfilter: xtables: use NFPROTOUNSPEC in more extensions" to allow ipv4 and ipv6 only. - xtmac - xtowner - xtphysdev...

CVE-2026-53001 netfilter: xtables: restrict several matches to inet family

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c "netfilter: xtables: use NFPROTOUNSPEC in more extensions" to allow ipv4 and ipv6 only. - xtmac - xtowner - xtphysdev...

CVE-2026-53001

CVE-2026-53001 in the Linux kernel concerns the netfilter xtables extensions. The fix partially reverts a previous change to restrict several matches (xt_mac, xt_owner, xt_physdev) to the inet family (IPv4/IPv6), with xt_realm limited to IPv4. The intent is to apply these restrictions and avoid u...

HTTP Response Splitting

OAuth2 AuthorizationUtils is vulnerable to HTTP response splitting. The vulnerability is due to improper sanitization of CR \r and LF \n characters in the realm parameter when constructing the WWW-Authenticate header, allowing attackers to inject arbitrary HTTP headers or manipulate the HTTP...

PT-2026-51895

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter xtables component where certain matches were not properly restricted to the inet family. This affects the xt mac, xt owner, and xt physdev extensions,...