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
1,199 results · Clear filters · Feed
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High 7.6
SAML Audience Confusion Allows Cross-SP Authentication
Authorised users of outside applications behind the same corporate identity provider (IdP), for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an a…
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High 8.1
WWBN AVideo through 29.0 Authentication Bypass via Stored Password Hash
WWBN AVideo through 29.0 contains an authentication bypass vulnerability where the stored password hash is accepted as a valid login credential through two independent code paths in loginFromRequest() and encryptPasswordVerify(). Attackers who obtain the stor…
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High 7.5
OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier
OpenNHP through 1.0.2 selects its trusted-execution attestation verifier based on attacker-supplied evidence containing a test_purpose key, causing the FallbackVerifier to execute unconditionally. Attackers can bypass attestation verification by including the…
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High 7.3
ChangeWeDer crm improper authentication
A vulnerability was identified in ChangeWeDer crm up to c07bd4c97141521af6475034bc58523beed51bbd. This vulnerability affects the function top.upstudy.crm.utils.LoginUserUtil.releaseUserIdFromCookie. The manipulation leads to improper authentication. The attac…
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High 8.1
Dell ObjectScale, versions prior to ObjectScale 4.4.0.0, contains an Improper Authentication vulnerability. An unauthen…
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High 7.5
Authentication Bypass Vulnerabilities in the Web-Based Management Interface of EdgeConnect SD-WAN Orchestrator
Vulnerabilities have been identified in the web-based management interface of EdgeConnect SD-WAN Orchestrator that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. Successful exploitation could allow an a…
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High 8.1
Authentication Bypass Vulnerabilities in HPE Networking EdgeConnect SD-WAN Orchestrator API
Vulnerabilities have been identified in the API of HPE Networking EdgeConnect SD-WAN Orchestrator that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to g…
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High 7.4
Meta Ads MCP: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token
Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.115, AuthInjectionMiddleware in meta_ads_mcp/core/http_auth_integration.py rejects HTTP MCP requests only when both auth_token and pipeboard_token…
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High 7.1
Kimai: Two-factor authentication bypass on the Kimai API
Kimai is an open-source time tracking application. Prior to 2.59.0, the KIMAI_SESSION cookie issued after password verification but before TOTP completion is accepted by every /api route because config/packages/security.yaml protects the API with IS_AUTHENTIC…
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High 8.2
PraisonAI MCPSecurity Basic/OAuth authentication policies accept invalid credentials without validation
PraisonAI is a multi-agent teams system. From 1.5.1 until 1.7.2, MCPSecurity.evaluatePolicy() in src/praisonai-ts/src/mcp/security.ts invokes the configured credential validator only when AuthMethod is api-key or bearer. Basic and OAuth policies accept any no…
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High 7.6
OpenAM OAuth Client Impersonation via JWKS Resolver Cache
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the private_key_jwt client authentication path uses ClientJwksResolverCache without reliably binding a cached jwks_uri resolver and verified assertion to the expected clientID …
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High 7.3
PHPGurukul Blood Donor Management System Admin Controllers Dashboard.php __construct improper authentication
A vulnerability was identified in PHPGurukul Blood Donor Management System 1.0. Affected is the function __construct of the file /application/controllers/admin/Dashboard.php of the component Admin Controllers. The manipulation leads to improper authentication…
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High 7.5
A privacy issue was addressed with improved handling of identifiers. This issue is fixed in iOS 27 and iPadOS 27, macOS…
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High 7.1
An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macO…
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High 7.5
An authorization issue was addressed with improved state management. This issue is fixed in iOS 26.7 and iPadOS 26.7, i…
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High 7.5
The issue was addressed with improved authentication. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, …
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High 8.2
PraisonAI: PRAISONAI_CALL_AUTH=disabled environment variable unconditionally disables authentication
PraisonAI is a multi-agent teams system. Prior to 4.6.62, setting PRAISONAI_CALL_AUTH to disabled makes verify_token accept requests to /api/v1/agents/{id}/invoke without CALL_SERVER_TOKEN authentication. Deployments that use the application's advertised opt-…
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High 7.3
0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication
A vulnerability was determined in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. The impacted element is an unknown function of the file hexstrike_server.py of the component API Command Endpoint. This manipulation causes missing authentica…
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High 7.3
getzep graphiti REST API main.py improper authentication
A vulnerability was found in getzep graphiti up to 0.30.2. Affected is an unknown function of the file server/graph_service/main.py of the component REST API. The manipulation results in improper authentication. The attack can be launched remotely. The pull r…
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High 7.3
cheshire-cat-ai Cheshire Cat AI custom_auth_handler.py _authorize_http_key missing authentication
A vulnerability has been found in cheshire-cat-ai Cheshire Cat AI up to 1.9.2. This affects the function _authorize_http_key of the file core/cat/factory/custom_auth_handler.py. The manipulation of the argument user_id leads to missing authentication. The att…
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High 7.3
jaychouchannel Tourism-Management-System Update Endpoint missing authentication
A security flaw has been discovered in jaychouchannel Tourism-Management-System up to 229956e20dbd4a80eeff14535e44d3099502af09. The impacted element is an unknown function of the component Update Endpoint. Performing a manipulation results in missing authenti…
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High 7.3
vvbbnn00 WARP-Clash-API authorized missing authentication
A vulnerability has been found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. The impacted element is the function authorized. The manipulation of the argument SECRET_KEY leads to missing authentication. The attack can be initiated…
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High 7.5
Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demotion
The Really Simple Security WordPress plugin before 9.8.1 does not prevent an unauthenticated request from resetting an account's completed email two-factor enrolment, allowing an attacker who already knows the account's password to bypass the second factor an…
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High 8.8
Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)
Headroom compresses data before the data reaches a large language model. Prior to version 0.35.0, the Headroom WebSocket server does not validate the `Origin` header of incoming client WebSocket requests before forwarding the request to the upstream server, a…
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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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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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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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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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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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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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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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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 …