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
854 results · Clear filters · Feed
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Critical 9.4
AVideo Allows Unauthenticated Live Stream Control via Token Verification URL Override in control.json.php
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the standalone live stream control endpoint at `plugin/Live/standAloneFiles/control.json.php` accepts a user-supplied `streamerURL` parameter that overrides where the server s…
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Critical 10.0
Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)
Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6 and below do not safeguard against unauthenticated certificate issuance through the SCEP UpdateReq. This issue has been fixed in version 0.…
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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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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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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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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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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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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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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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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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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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Critical 9.8
Authentication bypass in the Microsoft Entra ID (Azure AD) authentication mode in Devolutions Server 2025.3.15.0 and ea…
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Critical 10.0
A remote authentication bypass vulnerability exists in HPE AutoPass License Server (APLS).
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Critical 9.8
WeGIA lacks authentication verification in adicionar_tipo_docs_atendido.php
WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, the script in adicionar_tipo_docs_atendido.php does not go through the project's central controller and does not have its own authentication and permission checks. A malicious user co…
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Critical 9.1
hoppscotch Vulnerable to Unauthenticated Onboarding Config Takeover
hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by…
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Critical 10.0
Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an unauthenticated, remo…
KEV Feb 25, 2026 -
Critical 9.8
Cisco Catayst SD-WAN Authentication Bypass Vulnerability
A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role. The vulnerability is due to improper authentication …
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Critical 9.1
Sentry: Improper Authentication on SAML SSO process allows user identity linking
Sentry is a developer-first error tracking and performance monitoring tool. Versions 21.12.0 through 26.1.0 have a critical vulnerability in its SAML SSO implementation which allows an attacker to take over any user account by using a malicious SAML Identity …
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Critical 9.4
An Authentication Bypass vulnerability in Smanga 3.2.7 allows an unauthenticated attacker to reset the password of any …
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Critical 10.0
OGP-Website installs prior git commit 52f865a4fba763594453068acf8fa9e3fc38d663 are affected by a type juggling flaw whi…
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Critical 9.8
Unauthenticated Remote Command Execution via Web Console in METIS DFS
METIS DFS devices (versions <= oscore 2.1.234-r18) expose a web-based shell at the /console endpoint that does not require authentication. Accessing this endpoint allows a remote attacker to execute arbitrary operating system commands with 'daemon' privileges…
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Critical 9.8
Unauthenticated Remote Root Shell Access via Web Console in METIS WIC
METIS WIC devices (versions <= oscore 2.1.234-r18) expose a web-based shell at the /console endpoint that does not require authentication. Accessing this endpoint allows a remote attacker to execute arbitrary operating system commands with root (UID 0) privil…
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Critical 9.8
Apache Druid: Authentication Bypass via LDAP Anonymous Bind
Affected Products and Versions * Apache Druid * Affected Versions: 0.17.0 through 35.x (all versions prior to 36.0.0) * Prerequisites: * druid-basic-security extension enabled * LDAP authenticator configured * Underlying LDAP server permits anonymous bind …
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Critical 10.0
FUXA Unauthenticated Remote Code Execution via Admin JWT Minting
FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Prior to 1.2.10, an authentication bypass vulnerability in FUXA allows an unauthenticated, remote attacker to gain administrative access via the heartbeat refresh API and execute arbitr…
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Critical 9.6
Rapid7 InsightVM Signature Validation Vulnerability
Rapid7 InsightVM versions before 8.34.0 contain a signature verification issue on the Assertion Consumer Service (ACS) cloud endpoint that could allow an attacker to gain unauthorized access to InsightVM accounts setup via "Security Console" installations, re…
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Critical 10.0
Dokans Multi-Tenancy Based eCommerce Platform SaaS 3.9.2 allows unauthenticated remote attackers to obtain sensitive ap…
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Critical 9.8
An issue was discovered in Dynamicweb before 9.12.8. An attacker can add a new administrator user without authenticatio…
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Critical 9.4
A vulnerability in the Provisioning Manager component of Mitel MiVoice MX-ONE 7.3 (7.3.0.0.50) through 7.8 SP1 (7.8.1.0…
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Critical 9.8
Unauthenticated Bypass Allows Multi-Factor Authentication Circumvention
A vulnerability exists in an Orchestrator service that could allow an unauthenticated remote attacker to bypass multi-factor authentication requirements. Successful exploitation could allow an attacker to create an admin user account without the necessary mul…
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Critical 10.0
Improper Authentication Vulnerability in BLUVOYIX
The vulnerability exists in BLUVOYIX due to improper authentication in the BLUVOYIX backend APIs. An unauthenticated remote attacker could exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable APIs. Successful exploitation of…
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Critical 9.4CVE-2026-21891 Scanner template
ZimaOS has Authentication Bypass via System-Level Username
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In versions up to and including 1.5.0, the application checks the validity of the username but appears to skip, misinterpret, or incorrectly validate the password w…
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Critical 9.1
Kanboard is Vulnerable to Reverse Proxy Authentication Bypass
Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSE_PROXY_AUTH is enabled. The application blindly trusts HTTP headers for user authentication without …
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Critical 9.4
KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 allow authentication bypass during session validation. If any user is …
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Critical 9.3
wolfSSL Python library `CERT_REQUIRED` mode fails to enforce client certificate requirement
A vulnerability in the handling of verify_mode = CERT_REQUIRED in the wolfssl Python package (wolfssl-py) causes client certificate requirements to not be fully enforced. Because the WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT flag was not included, the behavior eff…
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Critical 9.8
Tarkov Data Manager Authentication Bypass vulnerability
The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, an authentication bypass vulnerability in the login endpoint allows any unauthenticated user to gain full admin access to the Tarkov Data Manager admin panel by exploi…
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Critical 9.4
Authentication Bypass
wolfSSH’s key exchange state machine can be manipulated to leak the client’s password in the clear, trick the client to send a bogus signature, or trick the client into skipping user authentication. This affects client applications with wolfSSH version 1.4.21…
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Critical 9.8
Blue Access Cobalt v02.000.195 suffers from an authentication bypass vulnerability, which allows an attacker to selecti…
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Critical 9.8
RustFS has a gRPC Hardcoded Token Authentication Bypass
RustFS is a distributed object storage system built in Rust. In versions prior to 1.0.0-alpha.78, RustFS implements gRPC authentication using a hardcoded static token `"rustfs rpc"` that is publicly exposed in the source code repository, hardcoded on both cli…
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Critical 9.8
An issue in Fossorial fosrl/pangolin v.1.6.2 and before allows a remote attacker to escalate privileges via the 2FA com…
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Critical 10.0
Step CA Has Authorization Bypass in ACME and SCEP Provisioners
An attacker can bypass authorization checks and force a Step CA ACME or SCEP provisioner to create certificates without completing certain protocol authorization checks.