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
3,169 results · Feed
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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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Medium 6.5
GLPI has a MFA bypass
GLPI is a free Asset and IT management software package. Starting in version 11.0.0 and prior to version 11.0.6, a malicious actor with knowledge of a user's credentials can bypass MFA and steal their account. Version 11.0.6 fixes the issue.
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Medium 5.6
Duende IdentityServer4 Token Renewal Endpoint authorize improper authentication
A vulnerability was determined in Duende IdentityServer4 up to 4.1.2. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument id_token_hint causes improper authentic…
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Critical 9.8
Tenda AC8 IPv6 check_is_ipv6 ip address for authentication
A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. T…
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Medium 5.3
Tiandy Easy7 Integrated Management Platform Device Identifier UpdateLocalDevInfo.jsp missing authentication
A vulnerability was identified in Tiandy Easy7 Integrated Management Platform 7.17.0. Impacted is an unknown function of the file /WebService/UpdateLocalDevInfo.jsp of the component Device Identifier Handler. Such manipulation of the argument username/passwor…
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High 8.5
Tinyauth vulnerable to TOTP/2FA bypass via OIDC authorize endpoint
Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session (password verified, TOTP not yet completed) to obtain authorization codes. An attacker who knows a user's password…
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Critical 9.8CVE-2026-32136 Public exploit
AdGuard Home: HTTP/2 Cleartext (h2c) Upgrade Authentication Bypass
AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.73, an unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext (h2c). Once t…
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High 8.7
Cloud CLI WebSocket shell injection
Cloud CLI (aka Claude Code UI) is a desktop and mobile UI for Claude Code, Cursor CLI, Codex, and Gemini-CLI. Prior to 1.25.0, OS Command Injection via WebSocket Shell. Both projectPath and initialCommand in server/index.js are taken directly from the WebSock…
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Low 2.1
Auth misconfiguration when multiple providers enabled
An edgecase in SSO implementation in Neo4j Enterprise edition versions prior to version 2026.02 can lead to unauthorised access under the following conditions: If a neo4j admin configures two or more OIDC providers AND configures one or more of them to be an …
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Critical 9.8CVE-2026-23813 Public exploit
Authentication Bypass in Web Interface allows Unauthenticated Admin Password Reset
A vulnerability has been identified in the web-based management interface of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. In some cases this could enable resetting the admin passw…
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High 7.6
Parse Server OAuth2 authentication adapter account takeover via identity spoofing
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.9. and 8.6.22, the OAuth2 authentication adapter, when configured without the useridField option, only verifies that a token is active…
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High 7.6
Parse Server is missing audience validation in Keycloak authentication adapter
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.5 and 8.6.18, the Keycloak authentication adapter does not validate the azp (authorized party) claim of Keycloak access tokens against…
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Critical 9.3
Feathersjs has an OAuth Callback Account Takeover
Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. From 5.0.0 to before 5.0.42, an unauthenticated attacker can send a crafted GET request directly to /oauth/:provider/callback with a forged profile in th…
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Low 2.3
Craft has a potential information disclosure vulnerability in preview tokens
Craft is a content management system (CMS). Prior to 4.17.3 and 5.9.7, Craft CMS has a CSRF issue in the preview token endpoint at /actions/preview/create-token. The endpoint accepts an attacker-supplied previewToken. Because the action does not require POST …
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High 7.8
Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
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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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Critical 9.8
Tutor LMS Pro <= 3.9.5 - Authentication Bypass via Social Login
The Tutor LMS Pro plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 3.9.5 via the Social Login addon. This is due to the plugin failing to verify that the email provided in the authentication request matches the…
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High 8.2
FreshRSS has an authentication bypass due to truncated bcrypt hash [edge branch]
FreshRSS is a free, self-hostable RSS aggregator. From 57e1a37 - 00f2f04, the lengths of the nonce was changed from 40 chars to 64. password_verify() is currently being called with a constructed string (SHA-256 nonce + part of a bcrypt hash) instead of the ra…
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High 7.3
doramart DoraCMS Email API send improper authentication
A vulnerability was identified in doramart DoraCMS 3.0.x. This issue affects some unknown processing of the file /api/v1/mail/send of the component Email API. Such manipulation leads to improper authentication. It is possible to launch the attack remotely. Th…
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Medium 6.3
suitenumerique messages ThreadAccess serializers.py ThreadAccessSerializer improper authentication
A security flaw has been discovered in suitenumerique messages 0.2.0. This issue affects the function ThreadAccessSerializer of the file src/backend/core/api/serializers.py of the component ThreadAccess. The manipulation results in improper authentication. Th…
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High 8.1
Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation
Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched …
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Critical 9.3
Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When…
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High 8.2
ZITADEL: Bypassing Zitadel Login Behavior and Security Policy in Login V2
ZITADEL is an open source identity management platform. From version 4.0.0 to 4.12.0, a vulnerability in Zitadel's login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corres…
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High 8.8
OliveTin: JWT Audience Validation Bypass in Local Key and HMAC Modes
OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, when JWT authentication is configured using either "authJwtPubKeyPath" (local RSA public key) or "authJwtHmacSecret" (HMAC secret), the configured audience va…
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Medium 5.3
Vercel Workflow Allows Webhook Creation with Predictable User-Specified Tokens
`createWebhook()` in Vercel Workflow DevKit accepts a user-specified `token` parameter that serves as the credential for the public webhook endpoint `/.well-known/workflow/v1/webhook/{token}`. Official documentation recommended predictable token patterns, mak…
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High 8.0
Rocket.Chat: 2FA bypass and login of deactivated users via EE ddp-streamer
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.10.8, 7.11.5, 7.12.5, 7.13.4, 8.0.2, 8.1.1, and 8.2.0, authentication vulnerabilities exist in Rocket.Chat's enterprise DDP Streamer service. The Account.lo…
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Critical 9.3
Rocket.Chat: Users can login with any password via the EE ddp-streamer-service
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3, and 8.0.0, a critical authentication bypass vulnerability exists in Rocket.Chat's account service used in the dd…
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Medium 6.4
Natro Macro: Malicious actions allowed through Discord RC Commands by any user
Natro Macro is an open-source Bee Swarm Simulator macro written in AutoHotkey. Prior to version 1.1.0, anyone with Discord Remote Control set up in a non-private channel gives access to any user with the permission to send message in said channel access to do…
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Medium 5.3
Talishar: Authentication Bypass via Empty authKey Parameter Allows Unauthenticated Game Actions
Talishar is a fan-made Flesh and Blood project. Prior to commit a9c218e, an authentication bypass vulnerability in Talishar's game endpoint validation logic allows any unauthenticated attacker to perform authenticated game actions — including sending chat mes…
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High 8.2
OneUptime has WebAuthn 2FA bypass: server accepts client-supplied challenge instead of server-stored value, allowing credential replay
OneUptime is a solution for monitoring and managing online services. In version 10.0.11 and prior, the WebAuthn authentication implementation does not store the challenge on the server side. Instead, the challenge is returned to the client and accepted back f…
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High 8.1
WWBN AVideo: Unauthenticated PHP session store exposed to host network via published memcached port
WWBN AVideo is an open source video platform. Prior to version 24.0, the official docker-compose.yml publishes the memcached service on host port 11211 (0.0.0.0:11211) with no authentication, while the Dockerfile configures PHP to store all user sessions in t…
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Medium 5.3
OpenClaw 2026.1.14-1 < 2026.2.2 - Allowlist Bypass via displayName and Cross-Homeserver localpart Matching in Matrix Plugin
OpenClaw version 2026.1.14-1 prior to 2026.2.2, with the Matrix plugin installed and enabled, contain a vulnerability in which DM allowlist matching could be bypassed by exact-matching against sender display names and localparts without homeserver validation.…
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Medium 5.9
OpenClaw voice-call < 2026.2.3 - Webhook Verification Bypass via Forwarded Headers
OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untrusted forwarded headers. Attackers can spoof webhook events by …
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Critical 9.4
OpenClaw < 2026.2.1 - Inbound Allowlist Policy Bypass in voice-call Extension via Empty Caller ID and Suffix Matching
OpenClaw versions prior to 2026.2.1 with the voice-call extension installed and enabled contain an authentication bypass vulnerability in inbound allowlist policy validation that accepts empty caller IDs and uses suffix-based matching instead of strict equali…
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Medium 6.7
EC-CUBE has a Vulnerability that Allows MFA Bypass in the Administrative Interface
# Vulnerability Allowing MFA Bypass ## Affected EC-CUBE Versions Versions: 4.1.0 – 4.3.1 ## Vulnerability Overview If an administrator’s ID and password are compromised, an issue exists that allows an attacker to bypass the normally required two-factor authen…
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Medium 6.9
Craft has an unauthenticated activation email trigger with potential user enumeration
Craft is a content management system (CMS). Prior to 5.9.0-beta.2 and 4.17.0-beta.2, the actionSendActivationEmail() endpoint is accessible to unauthenticated users and does not require a permission check for pending users. An attacker with no prior access ca…
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Critical 10.0CVE-2026-24898 Scanner template
OpenEMR has an Unauthenticated MedEx Token Disclosure
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0, an unauthenticated token disclosure vulnerability in the MedEx callback endpoint allows any unauthenticated visitor to obtain the practice…
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Medium 6.5
OpenClaw has a Discord `allowFrom` slug-collision authorization bypass
OpenClaw supports Discord allowlists using either user IDs or names/tags. Name/tag matching depends on slug normalization, so different user tags can collide to the same slug and unintentionally satisfy a name-based allowlist entry. ## Affected Packages / Ver…
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Critical 9.8
Authentication bypass in the Microsoft Entra ID (Azure AD) authentication mode in Devolutions Server 2025.3.15.0 and ea…