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
3,165 results · Feed
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Critical 9.8
Teddy Bear Customize Addon <= 1.0.5 - Unauthenticated Account Takeover
The teddy-bear-customize-addon WordPress plugin through 1.0.5 does not verify a user's password before authenticating them, allowing unauthenticated attackers to log in as any registered user, including administrators, by supplying only that user's email addr…
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Critical 9.8
Advanced Customized Prompts <= 1.0.1 - Unauthenticated Account Takeover
The advanced-customized-prompts WordPress plugin through 1.0.1 does not verify the password before issuing an authenticated session for a supplied email address in an unauthenticated action, allowing unauthenticated attackers to log in as any registered user,…
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Critical 9.8
An improper authentication vulnerability in the WS-Security (wsse:UsernameToken) verification routine within the Sofia …
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Critical 9.6
DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to obtain sensitive information and bypass security restrictions due to improper authentication.
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Critical 9.8
rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass
rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, rclone serve s3 configured with --auth-proxy but without --auth-key allows authPairMiddleware to register any client-chosen accessKe…
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Critical 9.1
Traefik HTTP/3 Backend NTLM Connection Reuse
Traefik is an open source HTTP reverse proxy and load balancer. From 2.11.0 until 2.11.57 and 3.7.13, the HTTP/3 entrypoint ConnContext does not call service.AddTransportOnContext, so kerberosRoundTripper uses a shared backend transport instead of a transport…
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High 7.2
CyberPanel before 3.0.5 Authentication Bypass via API
CyberPanel before 3.0.5 fails to enforce two-factor authentication on API endpoints, allowing attackers to bypass TOTP requirements using password-derived tokens. Attackers who obtain an administrator's password can derive API tokens and perform administrativ…
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High 7.5CVE-2026-77771 Public exploit
miniOrange 2FA (Free & Pro) - 2FA Bypass via Session-Scoped OTP Lockout
The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not scope its second-factor attempt limit to the account being attacked, keying it instead to an identifier the client supplies and can change at will, allowing…
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Medium 6.5
Rizwan17 inventory-management-system Invoice Generation invoice_bill.php missing authentication
A security vulnerability has been detected in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. This affects an unknown part of the file includes/invoice_bill.php of the component Invoice Generation. Such manipulation of the…
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High 7.3
Rizwan17 inventory-management-system AJAX Backend process.php DBOperation.addCategory missing authentication
A security flaw has been discovered in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. Affected by this vulnerability is the function DBOperation.addCategory of the file includes/process.php of the component AJAX Backend. …
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High 8.1
Open WebUI: Sign-in as another user via wildcard characters in the OAuth subject claim on SQLite
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.41 until 0.11.1, get_user_by_oauth_sub and get_user_by_scim_external_id in backend/open_webui/models/users.py used JSON contains matching that compiled to SQL LIKE …
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Critical 9.3
MantisBT: SOAP API Authentication Bypass with Privilege Escalation to Administrator
MantisBT is an open source bug tracker. Versions 2.28.3 and earlier contain a critical authentication bypass in the SOAP API's mci_check_login() function. Any user knowing any valid cookie_string can authenticate as any other user (knowing their username), in…
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High 7.4
Parse Server 9.0.0 Authentication Bypass via LDAP Empty Password
Parse Server versions <= 8.6.87 and >= 9.0.0 < 9.10.1-alpha.7 contain an authentication bypass in the built-in LDAP authentication adapter. The adapter forwarded the client-supplied password to the directory without verifying that a password had been supplied…
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Medium 6.4
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains…
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High 8.8
Various Newfold Plugins Various Versions - Unauthenticated Authentication Bypass via Bearer Token Validation with Empty Secret
Several Newfold plugins are vulnerable to Authentication Bypass. The vulnerability exists because the plugins bundle the wp-module-data module. In the module, the `authenticate()` method — registered on the `rest_authentication_errors` filter and therefore ev…
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High 8.1
Next-Cart Store to WooCommerce Migration <= 3.9.8 - Unauthenticated Authentication Bypass via Default '__token__' Fallback in REST Migration Endpoint
The Next-Cart Store to WooCommerce Migration plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 3.9.8 via the `NCWM_Kitconnect::run()` function. This is due to the plugin registering the `/wp-json/next_cart/v1/mi…
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Medium 4.8
Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Source
The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without an upstream reverse …
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High 7.3
Open-Web-Analytics Controller Controller.php checkCapabilityAndAuthenticateUser improper authentication
A vulnerability was detected in Open-Web-Analytics up to 1.9.1. The impacted element is the function checkCapabilityAndAuthenticateUser of the file Core/Controller.php of the component Controller. Performing a manipulation results in improper authentication. …
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High 7.3
moltis-org moltis vault.rs vault_recovery_handler missing authentication
A security vulnerability has been detected in moltis-org moltis up to 20260818.10. The affected element is the function vault_unlock_handler/vault_recovery_handler of the file vault.rs. Such manipulation leads to missing authentication. The attack can be laun…
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Critical 9.8
In handleBondStateChanged of AdapterService.java, there is a possible way to skip pairing due to a logic error in the c…
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Critical 9.0
Spring Cloud Azure Elevation of Privilege Vulnerability
Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.
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High 7.3
aircheng-org iWebShop-5 systemseller.php login improper authentication
A vulnerability was detected in aircheng-org iWebShop-5 up to 5.15. This affects the function Login of the file controllers/systemseller.php. Performing a manipulation of the argument Name results in improper authentication. It is possible to initiate the att…
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High 8.6CVE-2026-80097 Public exploit
Microsoft Authenticator Elevation of Privilege Vulnerability
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
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High 8.1
AVideo LoginControl PGP Authentication Bypass via verifyChallenge
AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability in LoginControl::verifyChallenge() that uses loose comparison (==) instead of strict comparison (===) against unset session values. Attackers with only a p…
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High 8.1
AVideo Authentication Bypass via SQL Cache Invalidation
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability where sqlDAL caches empty result sets that writeSql never invalidates. Attackers with a valid password can bypass email two-factor authentication on…
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High 7.5
AVideo through c3edcc274c Authorization Bypass via Session Cookie
AVideo through commit c3edcc274c contains an authorization bypass vulnerability where a session cookie named 'key' with value 'value' overrides the $_REQUEST['key'] parameter in saveLive.php and related endpoints. Attackers can publish to any user's RTMP stre…
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Critical 9.8
An issue in the Single-Sign On (SSO) component of Digital-Infrastructure v9.6.7 allows attackers to authenticate as any…
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Medium 6.3
ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint
Improper Authentication vulnerability in ash-project ash_authentication_oauth2_server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolve_secret/3 in AshAuthentication…
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Critical 9.8
389-ds-base: 389-ds-base: sasl plain authentication allows privilege escalation to directory manager via stale identity in cyrus sasl auxiliary property
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regard…
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Medium 6.4
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains…
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High 7.3
light0011 cms Cookie Helper UserModel.class.php improper authentication
A weakness has been identified in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. Executing a manipula…
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Critical 9.2
LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion
LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated attackers to access protected endpoints by sending numeric values instead of string tokens. Attackers can exploit MySQL type coercion by sending…
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High 7.3
Tenda AC9 Web Management R7WebsSecurityHandler improper authentication
A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be …
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Medium 6.5
SourceCodester Simple Traffic Offense System Deletion Endpoint delete-user.php missing authentication
A flaw has been found in SourceCodester Simple Traffic Offense System 1.0. Affected by this vulnerability is an unknown functionality of the file delete-user.php of the component Deletion Endpoint. Executing a manipulation of the argument ID can lead to missi…
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High 7.3
SourceCodester Simple Traffic Offense System User Creation saveuser.php missing authentication
A vulnerability was detected in SourceCodester Simple Traffic Offense System 1.0. Affected is an unknown function of the file saveuser.php of the component User Creation. Performing a manipulation of the argument position results in missing authentication. Th…
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High 7.3
Mstfakts College-Management-System login.php improper authentication
A vulnerability was determined in Mstfakts College-Management-System. Impacted is an unknown function of the file Front-end/login.php. This manipulation of the argument email causes improper authentication. It is possible to initiate the attack remotely. The …
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Critical 9.8CVE-2026-75816 Public exploit
Frontend Admin by DynamiApps <= 3.29.12 - Unauthenticated Account Takeover via '_acf_objects' Object Identifier
The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to Authentication Bypass to Account Takeover in all versions up to, and including, 3.29.12. This is due to the pre_update_value function lacking any capability or ownership check, and ActionP…
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High 7.5
HivePress Authentication <= 1.1.4 - Unauthenticated Authentication Bypass via 'access_token' Parameter to Facebook Authenticator
The HivePress Authentication plugin for WordPress is vulnerable to Authentication Bypass via the access_token parameter in all versions up to, and including, 1.1.4. This is due to the authenticate_user function's Facebook authenticator resolving third-party i…
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High 8.1
Coolify through 4.3.17 OAuth Account Takeover via Unverified Email Matching
Coolify through 4.3.17 contains an authentication bypass vulnerability in the OAuth callback handler that signs users into existing accounts based solely on email address without verifying provider assertions or binding OAuth identities. Attackers can registe…
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High 8.8
RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Facebook Token Audience Validation
The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtai…