OAuth Client ID Spoofing Lets Attackers Validate Stolen Microsoft Entra Credentials

At least two distinct threat actors are weaponizing a novel evasion technique called OAuth client ID spoofing in cloud campaigns, while slipping past telemetry. The activity allows users to enumerate user accounts and validate stolen credentials in Microsoft Entra ID environments, without ever...

CVE-2026-44753 Information Disclosure vulnerability in SAP HANA Extended Application Services classic model (User Self Service)

SAP HANA Database user self service tools allows an unauthenticated user to send specially crafted requests that produce distinguishable responses, enabling enumeration of valid user accounts and email addresses. Successful exploitation could allow the attacker to enumerate valid user accounts,...

CVE-2026-12103

The Wallet for WooCommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with...

EUVD-2026-43159

The Wallet for WooCommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with...

CVE-2026-12103

CVE-2026-12103 affects the Wallet for WooCommerce WordPress plugin (

CVE-2026-12103 Wallet for WooCommerce <= 1.6.4 - Missing Authorization to Authenticated (Subscriber+) User/Email Enumeration via terawallet_export_user_search AJAX Action

The Wallet for WooCommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with...

CVE-2026-58503

Frappe is a full-stack web application framework. Prior to 16.16.0 and 15.106.0, user enumeration could be performed via the resetpassword endpoint. This issue is fixed in versions 16.16.0 and 15.106.0...

CVE-2026-58503 Frappe: Unauthenticated User Enumeration via reset_password

Frappe is a full-stack web application framework. Prior to 16.16.0 and 15.106.0, user enumeration could be performed via the resetpassword endpoint. This issue is fixed in versions 16.16.0 and 15.106.0...

PT-2026-57334

Name of the Vulnerable Software and Affected Versions Frappe versions prior to 16.16.0 Frappe versions prior to 15.106.0 Description User enumeration is possible through the 'reset password' endpoint. User enumeration is a technique used to verify if a specific user exists within a system by...

CVE-2026-59206 n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated reques...

CVE-2026-59206

n8n is affected by a prototype pollution vulnerability in which an authenticated user with the default workflow:create permission could pollute Object.prototype via a crafted workflow saved, updated, or imported through the workflow API. This corruption could cause unauthenticated requests to be ...

CVE-2026-59206 n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated reques...

CVE-2026-51926

An issue in docuForm GmbH FSM Client v.11.11c allows a remote attacker to obtain sensitive information via the login.php component. A vulnerability was identified in the authentication mechanism that allows user enumeration through the login interface. An attacker can differentiate between valid...

CVE-2026-59712

Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to...

CVE-2026-59712 Leantime - JSON-RPC API Broken Access Control via users.getUser

Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to...

CVE-2026-53908

MCO is vulnerable to User Enumeration through authentication-related functionalities. The application returns distinguishable responses for valid and invalid users during username reminder and password reset operations. An attacker can leverage these differences to enumerate valid usernames and...

CVE-2026-53908

CVE-2026-53908 affects MCO. The vulnerability enables user enumeration via authentication-related functions: username reminder and password reset responses differ for valid vs invalid users, allowing an attacker to discover valid usernames and email addresses. Vulnerable context: confirmed in ver...

EUVD-2026-40954

MCO is vulnerable to User Enumeration through authentication-related functionalities. The application returns distinguishable responses for valid and invalid users during username reminder and password reset operations. An attacker can leverage these differences to enumerate valid usernames and...

CVE-2026-10750

The Royal MCP WordPress plugin before 1.4.26 does not perform capability checks on the majority of its MCP tools after token authentication, allowing authenticated users with a low-privileged role such as Subscriber to read private content, enumerate all users and their roles, and create, modify,...

CVE-2026-10750

CVE-2026-10750 concerns the Royal MCP WordPress plugin prior to 1.4.26. The issue arises because the plugin does not perform capability checks on most MCP tools after token authentication, enabling authenticated, low-privilege users (e.g., Subscriber) to read private content, enumerate users and ...