Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key because the create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker...

PT-2026-42827

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions 2026.2.0-rc1 through 2026.2.2 Description The 'PATCH /api/v3/core/users/pk/' API allows a caller with change user permissions on a target user to assign arbitrary groups via...

CVE-2026-46721

The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to...

EUVD-2026-30857

The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to...

CVE-2026-46721 Broken Access Control in extension "Frontend User Registration" (sf_register)

The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to...

CVE-2026-46721

Summary (CVE-2026-46721): The issue is in the TYPO3 extension “Frontend User Registration” (sf_register). The create/edit flows allow submitting arbitrary user properties and do not enforce frontend access control on user-group assignment, enabling an attacker to assign any frontend user group to...

CVE-2026-44010 Craft CMS: Missing Authorization in GraphQL Address Resolver Allows Cross-Scope PII Disclosure

Craft CMS is a content management system CMS. From 4.0.0 to before 4.17.12 and 5.9.18, the GraphQL Address element resolver src/gql/resolvers/elements/Address.php performs no schema scope filtering on top-level queries. A GraphQL API token scoped to a single low-privilege user group can read ever...

Craft CMS's Missing Authorization in GraphQL Address Resolver Allows Cross-Scope PII Disclosure

Summary The GraphQL Address element resolver src/gql/resolvers/elements/Address.php performs no schema scope filtering on top-level queries. A GraphQL API token scoped to a single low-privilege user group can read every address in the system, including addresses belonging to users in groups the...

EUVD-2026-27488

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /usergroup.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and m...

CVE-2026-7857

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /usergroup.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and m...

CVE-2026-7857 D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /usergroup.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and m...

CVE-2026-7857

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /usergroup.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and m...

CVE-2026-7857

CVE-2026-7857 concerns D-Link DI-8100 (firmware 16.07.26A1) where the CGI Handler’s function sprintf in the /user_group.asp file is vulnerable to a buffer overflow. The affected component is the CGI/Scripting interface; the underlying root cause is unsafe handling in sprintf, enabling overflow th...

CVE-2026-7857 D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /usergroup.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and m...

CVE-2026-41128 Craft CMS has a Missing Authorization Check on User Group Removal via save-permissions Action

Craft CMS is a content management system CMS. In versions 5.6.0 through 5.9.14, the actionSavePermissions endpoint allows a user with only viewUsers permission to remove arbitrary users from all user groups. While saveUserGroups enforces per-group authorization for additions, it performs no...

CVE-2025-50664

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /usergroup.asp endpoint. The attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, mem, pri, and attr...

EUVD-2026-20954

Lychee is a free, open-source photo-management tool. Prior to 7.5.4, a SQL operator-precedence bug in SharingController::listAll causes the orWhereNotNull'usergroupid' clause to escape the ownership filter applied by the when block. Any authenticated non-admin user with upload permission who owns...

EUVD-2025-209351

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /usergroup.asp endpoint. The attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, mem, pri, and attr...

CVE-2025-50664

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /usergroup.asp endpoint. The attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, mem, pri, and attr...

CVE-2025-50664

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /usergroup.asp endpoint. The attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, mem, pri, and attr...