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
865 results · Clear filters · Feed
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Medium 5.4
This issue was addressed with improved checks. This issue is fixed in iOS 18.7.12 and iPadOS 18.7.12, iOS 26.7.3 and iP…
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Medium 5.3
Pantum BP5100DW Web omDB.shtml missing authentication
A security vulnerability has been detected in Pantum BP5100DW 3.A.4.7. The impacted element is an unknown function of the file /shtml/omDB.shtml of the component Web Interface. The manipulation leads to missing authentication. The attack may be initiated remo…
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Medium 6.4
Keycloak-services: keycloak-services: dcr azp and sid claim substitution allows account rest session takeover
A flaw was found in the Keycloak Account REST API where it incorrectly handles session identification. A malicious client owner can manipulate their own security tokens to point to a different user's active session. This allows the attacker to access and modi…
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Medium 6.8
Keycloak-services: keycloak-services: admin api missing audience check
A flaw was found in the Admin REST API of Keycloak, an identity and access management solution. The Admin API fails to verify the intended audience of bearer tokens during authentication. This issue allows an attacker who operates a client within a realm to c…
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Medium 4.2
Keycloak-services: keycloak-services: stateless token preferred_username fallback enables identity rebinding
A flaw was found in the TokenManager component of Keycloak, an open-source identity and access management solution. The issue occurs during the validation of stateless access tokens when the original user ID no longer exists. Keycloak incorrectly falls back t…
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Medium 6.3
OpenHands Landing missing authentication
A vulnerability has been found in OpenHands up to 1.24.0. This impacts an unknown function of the component Landing Page. Such manipulation leads to missing authentication. The attack must be carried out from within the local network. The exploit has been dis…
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Medium 6.3
Umami 2FA Policy route.ts single-factor authentication
A vulnerability has been found in Umami 3.3.x/3.4.0/3.4.1. This affects an unknown part of the file src/app/api/auth/login/route.ts of the component 2FA Policy Handler. The manipulation leads to use of single-factor authentication. It is possible to initiate …
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Medium 6.1
A physical occupant on an Android Automotive OS (AAOS) Multi-User Multi-Display (MUMD) passenger display can view sensi…
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Medium 5.3
WAVLINK WN536AX6-A VPN Client List ioos sub_41a7c0 missing authentication
A vulnerability was detected in WAVLINK WN536AX6-A V260507_2.0.0. Impacted is the function sub_416d48/sub_41a7c0 of the file /bin/ioos of the component VPN Client List Handler. Performing a manipulation of the argument opt results in missing authentication. T…
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Medium 5.3
Welcart e-Commerce <= 2.12.5 - Account Takeover via Insecure Direct Object Reference to Unauthenticated User Input via 'member[ID]' Parameter
The Welcart e-Commerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.12.5 via the 'member[ID]' parameter due to missing validation on a user controlled key. This makes it possible for unauthenti…
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Medium 6.5
UsersWP <= 1.2.78 - Unauthenticated Account Access via Predictable Dummy User Password Disclosed through Registration Form Hash
The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WordPress is vulnerable to unauthorized account access via Use of Predictable Password in all versions up to, and including, 1.2.78 The vulnerability exists bec…
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Medium 6.5
Page and Post Restriction <= 1.6.1 - Unauthenticated Authentication Bypass via REST API Nonce Bypass via Cookie Re-Authentication
The Page and Post Restriction plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.6.1 This is due to the `papr_restrict_page_post_rest_api()` function, hooked on `rest_pre_dispatch`, re-authenticating the curren…
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Medium 5.4
Keycloak-services: keycloak-services: required actions bypassed via kc_action parameter
A flaw was found in the required action provider mechanism of Keycloak. The issue occurs when an authorization request includes the kc_action query parameter set to a mandatory action already assigned to the user, such as profile verification or terms and con…
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Medium 4.3
Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server
Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying mul…
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Medium 6.8
SSH Multi-Factor Authentication Bypass in Progress WS_FTP Server
Multi-Factor Authentication Bypass vulnerability in SSH component in Progress Software WS_FTP Server versions prior to 2024.0.6, and 2025.0.3 on Windows allows authenticated users to bypass MFA requirements through improper association of authentication facto…
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Medium 6.5
PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via Signature Verification Bypass
The PAYCOMET for WooCommerce WordPress plugin before 5.46 does not verify the cryptographic signature on its payment notification endpoint when the request references a tokenisation operation, allowing unauthenticated attackers to overwrite the stored payment…
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Medium 6.5
Waline login accepts a non-string email as a match-all MongoDB query
Waline is a comment system with backend support. Prior to version 1.41.1, the login endpoint POST /api/token reads the email field from the request body without checking its type and passes it straight into the MongoDB storage query. When email is not a strin…
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Medium 5.3
UniPAY Payment Gateway For WooCommerce < 2.4 - Unauthenticated Order Payment Forgery via Empty IPN Secret
The UniPAY Payment Gateway For WooCommerce WordPress plugin before 2.4 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to …
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Medium 4.8
Customer Email Verification for WooCommerce <= 2.8.2 - Unauthenticated Authentication Bypass via Predictable Email-Verification Token to 'cusomer_email_verify' Parameter
The Customer Email Verification for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass via a Predictable Email-Verification Token in all versions up to, and including, 2.8.2. This is due to the `authenticate_user_by_email_link()` function…
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Medium 6.3
jeremyckahn Chitchatter PostMessage Bootstrap.tsx isConfigMessageEvent improper authentication
A vulnerability was found in jeremyckahn Chitchatter up to f82538633813c854a81a8b2112a2f6ba17b39cbc. The affected element is the function isConfigMessageEvent of the file src/Bootstrap.tsx of the component PostMessage Handler. Performing a manipulation of the…
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Medium 5.6
Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session Hijacking
An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted requ…
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Medium 5.3
Payment Integration Wompi <= 4.0.1 - Unauthenticated Payment Confirmation Forgery via IPN Callback
The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, al…
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Medium 5.3
Payex Payment Gateway for WooCommerce <= 1.2.10 - Unauthenticated Payment Confirmation Forgery via Empty-Default Secret Key
The Payex Payment Gateway for Woocommerce WordPress plugin through 1.2.10 does not properly verify the authenticity of incoming payment notifications, relying on a validation secret that is empty by default, allowing unauthenticated attackers to forge a valid…
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Medium 6.5
SourceCodester Online Food Ordering System delete_admin.php missing authentication
A vulnerability has been found in SourceCodester Online Food Ordering System 1.0. The affected element is an unknown function of the file admin/delete_admin.php. The manipulation of the argument ID leads to missing authentication. It is possible to initiate t…
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Medium 5.1
An authorization issue was addressed with improved state management. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.…
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Medium 6.3
Akuvox Akubela HyPanel PS51 login improper authentication
A weakness has been identified in Akuvox Akubela HyPanel PS51 51.130.40.26. The impacted element is an unknown function of the file /login. Executing a manipulation of the argument engrmode with the input admin can lead to improper authentication. The attack …
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Medium 5.3
OPay Payment Gateway for WooCommerce <= 2.5.5 - Unauthenticated Payment Confirmation Forgery via Empty Default Secret Key
The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attac…
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Medium 5.3
iKhokha Payment Gateway < 3.0.4 - Unauthenticated Order Payment Forgery via Callback
The Online Payments with iK Pay Gateway WordPress plugin before 3.0.4 does not properly verify the authenticity of its payment gateway callback on a default installation, allowing unauthenticated attackers to forge a successful payment notification and mark a…
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Medium 5.3
nexi Alpha Bank for WooCommerce <= 2.2.0 - Unauthenticated Payment Confirmation Forgery via Empty Shared Secret
The Payment Gateway WordPress plugin through 2.2.0 does not ensure a shared secret is configured before using it to authenticate the bank's payment-notification callback, allowing unauthenticated attackers to forge a valid notification and mark any WooCommerc…
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Medium 5.3
WP Stripe Checkout < 1.2.2.62 - Unauthenticated Forged Payment Completion via an Unset Webhook Signing Secret
The WP Stripe Checkout WordPress plugin before 1.2.2.62 does not verify the Stripe webhook signature when no signing secret is configured, which is its default state, allowing unauthenticated attackers to forge a payment completion notification and create a c…
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Medium 5.9
FastMCP MCP client wrappers construct M2M OAuth providers without issuer binding — client secret redirectable to attacker-advertised authorization server
## Maintainer assessment and remediation This report is accepted as a FastMCP credential-binding vulnerability. Affected versions of the OAuth client credentials providers do not expose the authorization-server issuer that owns pre-registered credentials. An …
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Medium 4.3
Firmware verification vulnerability
An authentication vulnerability in the Bluetooth Low Energy (BLE) implementation of Creative Sound Blaster Katana could allow an attacker within Bluetooth range to connect to an affected device without prior pairing or authentication.
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Medium 6.8
Authlib: Default JWT bearer grant accepts assertions for the wrong audience
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.9.0, the default RFC 7523 JWTBearerGrant.get_audiences() returns an empty list, causing JWTBearerGrant.verify_claims() to require only that an aud claim exists without match…
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Medium 5.3
Authentication Bypass Vulnerability in the PAPI Protocol of AOS-8
An authentication bypass vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to make limited unauthorized modifications to c…
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Medium 5.9
Lotus through 0.10.2 Improper Authentication via Event Ingestion API Key Prefix
Lotus through 0.10.2 contains an improper authentication vulnerability in the Go event ingestion middleware that validates API keys by prefix only, without checking the secret against the stored hashed_key. Attackers who know or obtain an API key prefix can s…
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Medium 6.2
NewType Infortech｜NT OneAPP - Authentication Bypass
NT OneAPP developed by NewType Infortech has an Authentication Bypass vulnerability. Unauthenticated local attackers can bypass the App PIN lock mechanism via a Deep Link, thereby accessing protected resources of a logged-in user.
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Medium 4.2
Keycloak-services: keycloak-services: required otp enrollment bypassed via update user locale required action ordering
A flaw was found in the Update User Locale required action of the Keycloak identity and access management solution. When this action is ordered before the Configure OTP action in a realm, the system may fail to enforce mandatory multi-factor authentication en…
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Medium 6.5
oretnom23 file-management-system-php AJAX ajax.php delete_folder missing authentication
A vulnerability has been found in oretnom23 file-management-system-php up to 2e3c1ebe60f121e8df4fb3f544f0e9591d9a01e4. This vulnerability affects the function delete_folder of the file ajax.php of the component AJAX Handler. The manipulation of the argument I…
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Medium 5.3
dhikshitha29 Insurance-Management-System Plan Management Form AddNewPlan-inc.php missing authentication
A security vulnerability has been detected in dhikshitha29 Insurance-Management-System 91de5edda5baa109ad8e9baf03ce6a3ceda84183/125362cc21dca20d74091a4913a5096bb58dd837. This affects an unknown part of the file /Admin/includes/AddNewPlan-inc.php of the compon…
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Medium 6.5
WholesaleX < 3.0.9 - Unauthenticated Account Activation and Administrator Approval Bypass
The WholesaleX WordPress plugin before 3.0.9 does not check that a stored account confirmation code is set before comparing it with the one supplied in a request, allowing unauthenticated users to activate pending accounts and bypass the administrator approva…