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 9.8
TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback
The TabaPay Gateway WordPress plugin through 1.4.0 does not validate the payment callback before establishing a session for the account associated with the referenced order, allowing unauthenticated attackers to log in as any registered user, including an adm…
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Critical 9.8
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Agent infrastructure). Suppo…
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Critical 9.8
openssl_encrypt before 1.4.0 Authentication Bypass via Bearer Token
openssl_encrypt before 1.4.0 contains an authentication bypass vulnerability in the verify_api_token function that accepts any non-empty Bearer token string without validation. Attackers can upload arbitrary public keys, enumerate all keys, and revoke keys be…
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Critical 10.0
EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication
A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitation of the attack is p…
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Critical 9.1
Simple JWT Login < 3.6.8 - Unauthenticated Account Takeover via Missing Google id_token Audience Validation
The Simple JWT Login WordPress plugin before 3.6.8 does not validate the audience of the Google identity tokens it accepts, allowing unauthenticated users to authenticate as any user whose email address such a token carries, up to and including an administrat…
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Critical 9.8
Tenda AC10 httpd R7WebsSecurityHandler improper authentication
A security vulnerability has been detected in Tenda AC10 16.03.10.09_multi_TDE01. This vulnerability affects the function R7WebsSecurityHandler of the component httpd. The manipulation leads to improper authentication. The attack may be initiated remotely. Th…
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Critical 9.8
User Session Synchronizer <= 1.4.0 - Unauthenticated Authentication Bypass to Account Takeover via 'ussync-key', 'ussync-token', and 'ussync-ref' Parameters
The User Session Synchronizer plugin for WordPress is vulnerable to Authentication Bypass leading to Account Takeover in all versions up to, and including, 1.4.0. The `synchronize_session()` function, hooked on `init` and therefore executed on every request, …
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Critical 9.8
6Storage Rentals <= 2.27.0 - Unauthenticated Account Takeover via 'email' Parameter
The 6Storage Rentals plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.27.0. This is due to the six_storage_create_wp_user() AJAX handler being registered on wp_ajax_nopriv_six_storage_create_wp_user without any n…
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Critical 9.8
IBM Db2 Mirror for i is affected by multiple vulnerabilities
IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to bypass authentication and obtain or alter sensitive information due to improper validation of request URI path segments.
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Critical 9.8
Metacat has an unauthenticated SQL injection vulnerability
Metacat is data repository software that helps researchers preserve, share, and discover data. Metacat versions 2.0.0 through 3.4.0 contain an unauthenticated SQL injection vulnerability in the `/cn/v1/object` and `/cn/v2/object` REST API endpoints due to uns…
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Critical 9.0
Budibase: OIDC SSO account takeover: incoming identity linked by email without checking email_verified
Budibase is an open-source low-code platform. Prior to 3.39.30, the OIDC flow in packages/backend-core/src/middleware/passport/sso/oidc.ts resolved an email without getEmailVerified or an email_verified requirement, and packages/backend-core/src/middleware/pa…
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Critical 9.8
Privilege Escalation via Access Token Scope Escalation in API
Privilege Escalation via Access Token Scope Escalation in API
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Critical 10.0
Priority - CWE-287: Improper Authentication
: Improper Authentication vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwall v3.
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Critical 9.8
Customer Email Verification for WooCommerce < 3.2.6 - Unauthenticated Account Takeover via Type-Juggling Authentication Bypass
The Customer Email Verification for WooCommerce WordPress plugin before 3.2.6 does not correctly validate the email-verification activation code, relying on a loose comparison that an attacker can satisfy with a crafted value type, allowing unauthenticated us…
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Critical 9.1
kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default
kin-openapi is a Go project for handling OpenAPI files. Prior to 0.144.0, ValidationHandler.Load() in openapi3filter/validation_handler.go silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which returns nil without checking credentials. …
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Critical 10.0
IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews delete request
IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to perform unauthorized activities.
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Critical 9.4
Yuxi has a JWT Authentication Bypass Leading to Cross-Instance Administrator Token Reuse
Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity…
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Critical 9.8
Authentication Bypass Leading to Account Takeover
An authentication bypass in ManageEngine DDI Central's password-reset workflow allows account takeover.
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Critical 9.8
An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the …
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Critical 9.8
sctp: auth: verify auth requirement when auth_chunk is NULL
In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when auth_chunk is NULL sctp_auth_chunk_verify() returns true unconditionally when chunk->auth_chunk is NULL, silently skipping authentication. This is inc…
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Critical 9.8
Apache Ranger: Privilege Escalation via URL Parameter
Privilege Escalation via URL Parameter is reported in Apache Ranger versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.
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Critical 9.8
Single Sign On For TNG < 2.2.0 - Unauthenticated Arbitrary Password Reset
The Single Sign On For TNG WordPress plugin before 2.2.0 does not properly validate a password reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including administrators, which could lead to a full site takeover.
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Critical 9.8CVE-2026-15038 Public exploit
InfiniteWP Client < 1.13.6 - Unauthenticated Administrator Account Takeover on Multisite
The InfiniteWP Client WordPress plugin before 1.13.6 does not properly verify the site-connection state and the authenticity of requests to its remote-management endpoint on WordPress Multisite installations, allowing unauthenticated attackers to bind their o…
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Critical 9.1
Meta Ads MCP: Unauthenticated HTTP MCP Tool Execution Leaks Operator Meta Access Token
Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.109, `AuthInjectionMiddleware.dispatch()` at `http_auth_integration.py:272` unconditionally forwards unauthenticated Streamable HTTP requests to d…
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Critical 9.8
WP Events Manager < 2.2.5 - Subscriber+ Payment Bypass via 'qty' Parameter
The WP Events Manager WordPress plugin before 2.2.5 does not validate the requested quantity when registering for a paid event and computes the price from the attacker-controlled quantity, allowing any authenticated user to create a completed booking for a pa…
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Critical 10.0
Azure SQL Database Elevation of Privilege Vulnerability
Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
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Critical 9.6
Microsoft Teams Elevation of Privilege Vulnerability
Improper authentication in Microsoft Teams allows an authorized attacker to elevate privileges over a network.
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Critical 9.8
OpenReception: WebAuthn passkey injection allows account takeover
OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, the registration handler at `POST /api/auth/register/{userId}` validates the relationship between the WebAuthn challenge and th…
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Critical 9.8
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macO…
KEV Aug 18, 2026 -
Critical 9.8
Authentication bypass in Progress MarkLogic Server ODBC App Server
An authentication bypass vulnerability in the ODBC App Server of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass password verification and execute queries with the privileges of any named user known to th…
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Critical 9.1
rust-iot-platform Authentication Bypass via Non-Validated Authorization Header
rust-iot-platform's AuthToken request-guard implementation (api/src/main.rs) only checks whether the Authorization HTTP header is present, and never validates its value against any session, token store, or signature. Any request carrying an arbitrary non-empt…
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Critical 9.1
Login/Signup with Phone Number, OTP Verification < 1.8.71 - Unauthenticated Account Takeover via OTP Brute Force
The OTP Login With Phone Number, OTP Verification WordPress plugin before 1.8.71 does not limit the number of OTP verification attempts or invalidate a one-time login code after a wrong guess, and an unauthenticated user can request a login code for any accou…
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Critical 9.8
Authentication bypass via spoofed HTTP headers Orchestrator REST API
Multiple vulnerabilities in the REST API interface of HPE Networking SD-WAN Orchestrator could allow an unauthenticated remote attacker to bypass web authentication mechanisms and access system functions. Successful exploitation could allow an attacker to vie…
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Critical 9.1
SoftMarket <= 1.0.0 - Unauthenticated Account Takeover via Email Verification Bypass
The SoftMarket — Digital Marketplace WordPress plugin through 1.0.0 does not properly validate an authentication token in one branch of its email-verification flow, allowing unauthenticated attackers to obtain a valid session as any verified user by supplying…
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Critical 9.8
ShopMonitor.io < 1.2.0 - Unauthenticated Administrator Account Takeover via Password-Reset Email Reroute
The ShopMonitor.io WordPress plugin before 1.2.0 does not properly restrict its email-rerouting test mode, gating it behind a trusted-source check that is satisfiable with client-supplied request headers, allowing unauthenticated attackers to redirect outgoin…
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Critical 9.8
SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability
SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled.
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Critical 9.8
Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML…
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Critical 9.1
QRcode Login for WeChat <= 1.3 - Unauthenticated Account Takeover
The 微信二维码登陆 WordPress plugin through 1.3 does not properly validate WeChat webhook requests, as its signature check always passes, and it discloses the generated login code in the webhook response. This allows an unauthenticated attacker to forge a login even…
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Critical 9.1
Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)
The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions (force-logout) of any user on the site, …
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Critical 9.1
Software Issue Manager < 5.1.0 - Unauthenticated SQL Injection via Search Parameter
The Project Management, Bug and Issue Tracking Plugin WordPress plugin before 5.1.0 does not sanitise and escape user supplied input before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks. This is exploitable in th…