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
63 results · Clear filters · Feed
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High 8.7CVE-2026-93489 Public exploit
Improper Authentication in ASUS router modules allows an unauthenticated nearby user to send an HTTP request and forge …
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High 8.2CVE-2026-80312 Public exploit
Apache Camel: Camel-OAuth Authentication Bypass via Fail-Open Processors
Improper Authentication vulnerability in Apache Camel OAuth component. This issue affects Apache Camel: from 4.11.0 before 4.18.5, from 4.19.0 before 4.22.1. The camel-oauth processors that guard a route did not stop the exchange when authentication could not…
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High 8.7CVE-2026-109372 Public exploit
ZITADEL 3.0.0 before 4.19.2 Account Takeover via SAML Identity-Provider Confusion
ZITADEL 4.x before 4.19.2 and 3.x through 3.4.15 contains an authentication bypass in the SAML identity-provider intent callback, which verifies the assertion signature using the provider named in the request URL but resolves the user from the login intent wi…
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High 7.5CVE-2026-62367 Public exploit
Vikunja: OIDC email-fallback account linking ignores email_verified, enabling local-account takeover
Vikunja is an open-source self-hosted task management platform. In versions 1.0.0 through 2.3.0, when an administrator enables the per-provider `emailfallback` option on an OpenID Connect provider, Vikunja links an SSO login to a pre-existing local (username+…
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High 7.6CVE-2026-59358 Public exploit
UAA OAuth Token Endpoint Vulnerability allows user access token reuse for client_credentials grant type
Improper authentication (CWE-287) in the OAuth token endpoint in Cloud Foundry UAA allows a remote, authenticated attacker holding a valid user access token to obtain a fully-privileged client_credentials token for the OAuth client that issued it, by presenti…
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High 7.3
Ahsay AhsayCBS API ApiStructsAction.java checkSysPwd improper authentication
A vulnerability was detected in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component API. Performing a manipulation of the argument random results in improper auth…
KEV Oct 14, 2026 -
High 8.1CVE-2026-19125 Public exploit
EthPress <= 2.3.5 - Unauthenticated Authentication Bypass
The EthPress – Web3 Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 2.3.5. This is due to the verify_login() function in app/Login.php containing a missing return statement in the signature verification …
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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 8.8CVE-2026-80099 Public exploit
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 8.6CVE-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 7.5CVE-2026-66908 Public exploit
Apache Camel: Camel-platform-http-main: when JWT authentication was configured with a keystore but no issuer or audience, the iss and aud claims were never validated, so any unexpired token signed by a trusted key was accepted
Improper Authentication vulnerability in Apache Camel Platform HTTP Main component. This issue affects Apache Camel: from 4.8.0 before 4.22.0. The camel-main embedded HTTP server can protect its endpoints with JWT authentication, configured through authentica…
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High 8.7CVE-2026-15315 Public exploit
Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200
Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls a…
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High 8.2CVE-2026-9830 Public exploit
BookingPress Pro < 5.7.3 - Unauthenticated Customer PII Disclosure and Booking Tampering via Permission Callback Bug
The bookingpress-appointment-booking-pro WordPress plugin before 5.7.3 does not correctly invoke its REST permission callback, leaving every route in one of its API namespaces reachable without authentication and allowing unauthenticated attackers to read cus…
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High 8.2CVE-2026-50338 Public exploit
Azure Spring Apps Elevation of Privilege Vulnerability
Improper authentication in Azure Spring Apps allows an authorized attacker to elevate privileges over a network.
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High 8.8
LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallbac…
KEV Sep 2, 2026 -
High 7.3CVE-2026-10288 Public exploit
code-projects Hotel and Tourism Reservation System Admin Login login.php password_verify improper authentication
A vulnerability was identified in code-projects Hotel and Tourism Reservation System 1.0. This issue affects the function password_verify of the file /admin/login.php of the component Admin Login. Such manipulation of the argument Password leads to improper a…
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High 8.1CVE-2026-45156 Public exploit
Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC
Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This …
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High 7.3CVE-2026-10243 Public exploit
code-projects Smart Parking System Admin Endpoint missing authentication
A security vulnerability has been detected in code-projects Smart Parking System 1.0. Affected is an unknown function of the component Admin Endpoint. Such manipulation leads to missing authentication. It is possible to launch the attack remotely. The exploit…
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High 7.3CVE-2026-5000 Public exploit
PromtEngineer localGPT API Endpoint server.py LocalGPTHandler missing authentication
A vulnerability was detected in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. Impacted is the function LocalGPTHandler of the file backend/server.py of the component API Endpoint. The manipulation of the argument BaseHTTPRequestHandle…
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High 7.3CVE-2026-2991 Public exploit
KiviCare – Clinic & Patient Management System (EHR) <= 4.1.2 - Unauthenticated Authentication Bypass via Social Login Token
The KiviCare – Clinic & Patient Management System (EHR) plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.1.2. This is due to the `patientSocialLogin()` function not verifying the social provider access token …
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High 7.8CVE-2026-26128 Public exploit
Windows SMB Server Elevation of Privilege Vulnerability
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
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High 7.8CVE-2026-24294 Public exploit
Windows SMB Server Elevation of Privilege Vulnerability
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
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High 8.8
Windows Admin Center Elevation of Privilege Vulnerability
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
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High 7.0CVE-2026-21508 Public exploit
Windows Storage Elevation of Privilege Vulnerability
Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.
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High 7.4CVE-2025-69822 Public exploit
An issue in Atomberg Atomberg Erica Smart Fan Firmware Version: V1.0.36 allows an attacker to obtain sensitive informat…
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High 8.6CVE-2025-66698 Public exploit
An issue in Semantic machines v5.4.8 allows attackers to bypass authentication via sending a crafted HTTP request to va…
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High 8.1CVE-2026-22594 Public exploit
Ghost has Staff 2FA bypass
Ghost is a Node.js content management system. In versions 5.105.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's 2FA mechanism allows staff users to skip email 2FA. This issue has been patched in versions 5.130.6 and 6.11.0.
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High 7.5CVE-2025-67158 Public exploit
An authentication bypass in the /cgi-bin/jvsweb.cgi endpoint of Revotech I6032W-FHW v1.0.0014 - 20210517 allows attacke…
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High 7.6CVE-2025-60424 Public exploit
A lack of rate limiting in the OTP verification component of Nagios Fusion v2024R1.2 and v2024R2 allows attackers to by…
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High 7.5
Vulnerability in the Oracle Configurator product of Oracle E-Business Suite (component: Runtime UI). Supported versions…
KEV Oct 20, 2025 -
High 8.0CVE-2025-58060 Public exploit
cups has Authentication bypass with AuthType Negotiate
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.12 and earlier, when the `AuthType` is set to anything but `Basic`, if the request contains an `Authorization: Basic ...` header, the password…
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High 8.8
Windows SMB Elevation of Privilege Vulnerability
SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who successfully exploited these vulnerabilities could perform relay attacks and make the users subject to elevation of privilege attacks. The SMB Server already supp…
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High 8.8
Windows NTLM Elevation of Privilege Vulnerability
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
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High 8.0CVE-2025-53786 Public exploit
Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability
On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following fur…
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High 7.4CVE-2025-49812 Public exploit
Apache HTTP Server: mod_ssl TLS upgrade attack
In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upg…
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High 8.8CVE-2025-6916 Public exploit
TOTOLINK T6 formLoginAuth.htm Form_Login missing authentication
A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. This affects the function Form_Login of the file /formLoginAuth.htm. The manipulation of the argument authCode/goURL leads to missing authentication. The attack…
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High 7.5CVE-2025-25227 Public exploit
[20250402] - Joomla Core - MFA Authentication Bypass
Insufficient state checks lead to a vector that allows to bypass 2FA checks.
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High 8.8CVE-2025-26326 Public exploit
A vulnerability was identified in the NVDA Remote (version 2.6.4) and Tele NVDA Remote (version 2025.3.3) remote connec…
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High 8.2CVE-2025-25205 Public exploit
Remote Authentication-Bypass can lead to server crash or limited information disclosure due to faulty pattern matching
Audiobookshelf is a self-hosted audiobook and podcast server. Starting in version 2.17.0 and prior to version 2.19.1, a flaw in the authentication bypass logic allows unauthenticated requests to match certain unanchored regex patterns in the URL. Attackers ca…
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High 8.2
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass auth…
KEV Feb 18, 2025