Weakness (CWE)
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it (1 mitigation)
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Architecture and Design
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE-287
846 results · Clear filters · Feed
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Critical 9.1
PrintAura WooCommerce API <= 4.0.2 - Unauthenticated WooCommerce REST API Authentication Bypass
The Printaura-Woocommerce WordPress plugin through 4.0.2 does not properly restrict access to the WooCommerce REST API, causing every WooCommerce REST route to accept unauthenticated requests, which allows unauthenticated attackers to read and modify store da…
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Critical 9.9
Azure DevOps Server Remote Code Execution Vulnerability
Improper authentication in Azure DevOps allows an authorized attacker to execute code over a network.
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Critical 9.8
Intelbras SG 2404 PoE L2+ Web Management EXCU_SHELL improper authentication
A weakness has been identified in Intelbras SG 2404 PoE L2+ 1.00.70/1.00.72. The affected element is an unknown function of the file /EXCU_SHELL of the component Web Management Interface. Executing a manipulation can lead to improper authentication. The attac…
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Critical 9.8
EASY-JS-WPAPI <= 2.0 - Unauthenticated Administrator Password Disclosure and Authentication Bypass
The EASY-JS-WPAPI Client HANDLE for the WordPress REST-API WordPress plugin through 2.0 does not prevent the administrator credentials it stores from being disclosed to unauthenticated users and does not correctly verify authentication, allowing unauthenticat…
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Critical 9.8
Grand Job <= 1.2.1 - Unauthenticated Account Takeover via Empty Password Reset Code
The Grand Job WordPress plugin through 1.2.1 does not correctly verify the password reset code before updating a user's password, allowing unauthenticated attackers to set the password of arbitrary accounts, including administrators, and fully take over the s…
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Critical 9.8
Naimur Email OTP Verification for WooCommerce <= 2.1.0 - Unauthenticated Authentication Bypass to Account Takeover via Abandoned Password Reset Finalization
The Naimur Email OTP Verification for WooCommerce plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.1.0. This is due to the plugin's password-reset finalization endpoint (the wp_ajax_nopriv_ceovw_update_new_passwo…
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Critical 9.1CVE-2026-118066 Scanner template
Appointment Booking Plugin <= 5.7.6 - Unauthenticated Authentication Bypass via Account Takeover via 'IS NOT NULL' Sentinel in 'password_reset_token' Parameter
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Authentication Bypass via Account Takeover in all versions up to, and including, 5.7.6. This is due to the `OsModel::build_conditions_query(…
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Critical 9.9
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to gain elevated privileges due to improper authentication.
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Critical 9.8
UgCS server HCI authentication bypass with empty credentials
UgCS server before 6.2 contains an authentication bypass in the HCI protocol login handler (LoginHandler) exposed on TCP port 3334. When the user database contains exactly one user (the default single-operator installation), a LoginRequest with empty userLogi…
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Critical 9.8
2FAuth: Reverse Proxy Guard Trusts Client-Supplied Headers Without Proxy Verification
2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 8.0.0, when AUTHENTICATION_GUARD=reverse-proxy-guard is enabled, ReverseProxyGuard::user() reads the default REMOTE_USER identity header, or a c…
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Critical 9.8
2FAuth: Reverse Proxy Guard Auto-Creates Users With Admin Promotion From Unauthenticated Header Value
2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 8.0.0, when AUTHENTICATION_GUARD=reverse-proxy-guard accepts authentication headers from a client that did not pass through a trusted proxy, Rem…
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Critical 9.8
Wurdey <= 1.0.0 - Unauthenticated Administrator Authentication Bypass
The Wurdey WordPress plugin through 1.0.0 does not verify a request signature before logging a user in, allowing unauthenticated attackers to authenticate as an administrator knowing only the administrator's username.
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Critical 9.8CVE-2026-102895 Exploited
GPUStack: Authentication bypass via trusted loopback source (reverse-proxy TCP peer or X-GPUStack-Real-IP header) grants unauthenticated admin
GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0, get_current_user in gpustack/api/auth.py treated a loopback request source as the built-in administrator when force_auth_localhost was false, wh…
KEV Nov 9, 2026 -
Critical 10.0
Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack m…
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Critical 9.2
WatchGuard AuthPoint Gateway Improper Authentication Allows Unauthenticated Denial of Service
A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchroni…
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Critical 10.0
Linksys E5600 Login mesh_login.cgi improper authentication
A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin/mesh_login.cgi of the component Login Handler. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. Th…
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Critical 9.8
On HP Poly EagleEye Cube USB 1.3.1-001267 devices, the administrator authentication flow is broken: session management …
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Critical 9.6
Authentication Bypass in HPE Networking Fabric Composer allows Arbitrary Code Execution
An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code on the affected system.
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Critical 9.3
Authentication bypass in Secure Access Servers
CVE-2026-116769 is an authentication bypass vulnerability in Secure Access servers starting with version 13.0 and prior to 14.61. Attackers can modify security settings of a client via the server.
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Critical 9.8
Gitea OAuth2 account auto-linking takeover through the sign-up form
When `[oauth2_client].ACCOUNT_LINKING` is set to `auto` (not the default) and registration is enabled, the link-account sign-up form looked up the existing account to link by the user name or email submitted in the form instead of the identity asserted by the…
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Critical 9.8
Uncanny Toolkit for LearnDash <= 3.8.2 - Unauthenticated Authentication Bypass via 'email' Parameter
The Uncanny Toolkit for LearnDash plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 3.8.2 via the `email` parameter of the `uo_login_action()` function. This is due to a parser-differential flaw in which the plugin'…
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Critical 9.8
Vvveb: Authentication Bypass via PHP Array Injection leading to full Account Takeover
Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.7, the password reset functionality is vulnerable to an Authentication Bypass due to insufficient validation of the user and token G…
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Critical 10.0CVE-2026-84295 Public exploit
Improper Authentication in Progress WS_FTP Server
Improper authentication in Progress Software WS_FTP Server versions prior to 2024.0.6 and 2025.0.3 on Windows could allow an unauthenticated remote attacker to access sensitive information, including administrative credentials.
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Critical 9.8CVE-2026-93680 Public exploit
Langflow OSS is affected by multiple vulnerabilities
IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to bypass security restrictions due to improper authentication.
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Critical 9.8
Bot for Telegram on WooCommerce <= 1.3.0 - Unauthenticated Authentication Bypass to Account Takeover via Fake Telegram Webhook + Brute-Forced Login Token
The Bot for Telegram on WooCommerce plugin for WordPress is vulnerable to Authentication Bypass leading to Account Takeover in all versions up to, and including, 1.3.0. The `/wp-json/woo-telegram/v1/main/` REST endpoint is registered with `permission_callback…
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Critical 9.8
An issue in Shelter versionCode 445 allows attackers to register their own auth_key and execute a takeover of another u…
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Critical 9.8
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through …
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Critical 9.8
Jupiter X Core <= 4.61.0 - Unauthenticated Authentication Bypass via Twitter/X Social Login oauth_verifier Parameter
The Jupiter X Core plugin for WordPress is vulnerable to Authentication Bypass via the Twitter/X Social Login handler in all versions up to and including 4.61.0. The vulnerability exists within the verify_twitter_callback function because after exchanging the…
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Critical 9.8CVE-2026-117532 Public exploit
REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
REDAXO core from 5.3.0 before 5.21.4 contains an authentication bypass vulnerability in the structure/history plugin that allows unauthenticated attackers to forge temporary login tokens. Attackers can force the session-tied secret into a predictable state an…
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Critical 9.8
Qode Membership <= 2.0.6.2 - Authentication Bypass via Social Login
The Qode Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Account Takeover in all versions up to, and including, 2.0.6.2 via the qode_membership_check_facebook_user AJAX action. This is due to a typographic error in the Facebo…
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Critical 9.8
asVereinbase < 1.1.8 - Unauthenticated Authentication Bypass via 2FA Validation
The asVereinbase WordPress plugin before 1.1.8 does not require a valid password or a genuine second factor before authenticating a user, treating an empty stored value as a match, so an unauthenticated attacker can log in as any user, including an administra…
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Critical 9.8
Authentication Bypass Vulnerability
An authentication bypass vulnerability in WizLearn Technologies' Learning Management System (LMS) could allow an unauthenticated remote attacker to bypass password authentication and the OAuth authentication flow by sending a specially crafted POST request, p…
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Critical 10.0
AAD App Proxy Elevation of Privilege Vulnerability
Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.
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Critical 9.8
Bytebase 0.12.0 before 1.0.1 Authentication Bypass via GitLab Self-Hosted Login
Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST e…
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Critical 9.3
Authentication Bypass in the PAPI Protocol of AOS-8 Allows Unauthorized Administrative Access
A vulnerability has been identified in the PAPI protocol of AOS-8 that could potentially allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, …
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Critical 9.3
Authentication Bypass in the API allows Administrative Access of AOS-10
An authentication bypass in the API of AOS-10 allows an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access o…
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Critical 9.3
Unauthenticated Adjacent Authentication Bypasses in the PAPI Protocol of AOS-10 Leads to Unauthorized Administrative Access
Authentication bypass vulnerabilities in the PAPI protocol of AOS-10 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system …
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Critical 9.6
Authentication Bypass leads to Unauthorized Access in AOS-8
An authentication bypass vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system …
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Critical 9.6
Authentication Bypass Leading to Remote Code Execution in AOS-10
Authentication bypass vulnerabilities in the affected interface of AOS-10 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to execute arbitrary commands as a privi…
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Critical 9.6
Authentication Bypass Vulnerabilities lead to Complete System Compromise in AOS-8
Authentication bypass vulnerabilities in the affected interface of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify sys…