CWE-290— Authentication Bypass by Spoofing

A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where …

A partial authentication bypass vulnerability exists on Mediatek MT7620N 1.06 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful…

A spoofing vulnerability exists when System Center Operations Manager (SCOM) does not properly sanitize a specially crafted web request to an affected SCOM instance, aka 'System Center Operations Manager Spoofing Vulnerability'.

Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthent…

IBM WebSphere Application Liberty 19.0.0.5 through 20.0.0.4 could allow an authenticated user using openidconnect to spoof another users identify. IBM X-Force ID: 180084.

IBM Security Information Queue (ISIQ) 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, and 1.0.5 could allow any authenticated user to spoof the configuration owner of any other user which disclose sensitive information or allow for unauthorized access.…

A vulnerability exists in the garbage collection mechanism of atomic-openshift. An attacker able spoof the UUID of a valid object from another namespace is able to delete children of those objects. Versions 3.6, 3.7, 3.8, 3.9, 3.10, 3.11 a…

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Spoofing Vulnerability." This affects Microsoft Exchange Server.

The Defender Security WordPress plugin before 6.4.1 does not verify that the client IP address it derives for its firewall and lockout decisions actually originates from a trusted source, trusting a user-supplied value by default, allowin…

Improper access control in Windows Hyper-V allows an authorized attacker to perform spoofing locally.

The Dokan: AI Powered WooCommerce Multivendor Marketplace Solution WordPress plugin before 5.3.3 does not use a trusted site-owned sender address when relaying its store contact form, instead placing the unauthenticated submitter's suppli…

ActivityPub is a multi-tenant ActivityPub server for Ghost, built with Fedify. From 1.0.0 until 1.2.6, the `Undo` handler allows a remote federated server to cause the service to act on a `follow` or `repost` as though the activity came fr…

Echo is a Go web framework. From 4.0.0 until 5.1.0, Context.RealIP falls back to client-supplied X-Forwarded-For or X-Real-IP values when Echo.IPExtractor is unset, and the default RateLimiter uses that result as its client identifier. A r…

An access-control vulnerability has been identified in the web server configuration. Some resources intended for on-device use only could be accessed remotely by an unauthenticated attacker with network access to the web interface. The acc…

An organizer authentication vulnerability in Zimbra Collaboration Suite (ZCS) allows an unauthenticated email sender to insert calendar invitations attributed to another user. The email delivery path permits external invitations but does n…

An attendee authentication vulnerability in the email calendar processing of Zimbra Collaboration Suite (ZCS) allows an unauthenticated sender to forge another attendee's response to an existing meeting. Zimbra passes a null sender identit…

An organizer authentication vulnerability in the email calendar processing of Zimbra Collaboration Suite (ZCS) allows an unauthenticated sender to cancel or modify an existing meeting in a recipient's calendar. Zimbra accepts iCalendar CAN…

The Contest Gallery WordPress plugin before 34.0.1 does not reliably validate the visitor identity used to enforce its one-vote-per-entry restriction, trusting a client-supplied request header and an unbound client-generated token, which a…

The Payment Gateway for Idram WordPress plugin before 2.1.6 does not verify the authenticity of incoming payment notifications, because the merchant credentials used to compute their checksum are empty by default, allowing unauthenticated …

Unauthenticated Bypass Vulnerability in Zero Spam <= 5.7.11 versions.

Unauthenticated Bypass Vulnerability in Captcha by BestWebSoft <= 5.2.8 versions.

Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when validating certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, …

Unauthenticated Bypass Vulnerability in hCaptcha for WP <= 5.3.0 versions.

Unauthenticated Bypass Vulnerability in Paid Member Subscriptions <= 3.0.9 versions.

Unauthenticated Bypass Vulnerability in WP User Frontend <= 4.3.11 versions.

The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-can…

OpenEye Apex Network Video Recorder (NVR) firmware 3.2.9.376 trusts an X-Forwarded-For header supplied by an arbitrary client when determining the request source address. An unauthenticated remote attacker can spoof a loopback address to b…

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to gain access to sensitive information through session IP binding bypass in Navigator for i.

IP2Location Country Blocker plugin for WordPress before 2.45.0 contains an access control bypass vulnerability that allows unauthenticated remote attackers to circumvent IP-based restrictions by forging the X-Real-IP HTTP header. Attackers…

Authentication Bypass by Spoofing vulnerability in WPDeveloper Essential Addons for Elementor allows Identity Spoofing. This issue affects Essential Addons for Elementor: from n/a through 6.8.0.

In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled. In order for this to happen, the application must be configured to use HAProxy Protocol. Reactor Netty 1.3.0 …

OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provide…

Unauthenticated Bypass Vulnerability in Element Pack Elementor Addons <= 8.7.13 versions.

Unauthenticated Bypass Vulnerability in CAPTCHA 4WP <= 7.6.0 versions.

The YOP Poll WordPress plugin before 7.0.6 does not validate the connection's origin IP address and instead trusts client-controlled forwarding headers when enforcing its per-IP vote restriction, allowing unauthenticated attackers to bypas…

The WP Travel WordPress plugin before 11.8.1 does not verify PayPal Instant Payment Notifications through the PayPal post-back handshake before marking a booking paid, allowing unauthenticated attackers to forge a notification that flips …

Fiber is an Express inspired web framework written in Go. Prior to 3.3.0 and 2.52.14, the BalancerForward proxy helper in middleware/proxy/proxy.go uses Header.Add() instead of Header.Set() when injecting X-Real-IP, allowing an attacker-su…

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains an IP restriction bypass vulnerability in the login process. The application restricts user logins based on the IP address associated with a branch location, b…

Fleet is open source device management software. Prior to version 4.80.1, Fleet trusted client-supplied IP address headers when determining the source IP for incoming requests. This allowed authenticated and unauthenticated clients to spoo…

Authentication Bypass by Spoofing vulnerability in Joe Dolson My Tickets my-tickets allows Identity Spoofing.This issue affects My Tickets: from n/a through <= 2.1.1.

An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname …

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to tri…

Spring Security 6.4.0 - 6.4.3 may not correctly locate method security annotations on parameterized types or methods. This may cause an authorization bypass.  You are not affected if you are not using @EnableMethodSecurity, or you do not…

The Admin and Site Enhancements (ASE) WordPress plugin before 7.6.10 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate their value to bypass the login limit feature in the Admin and Site E…

Authentication bypass by spoofing issue exists in FileMegane versions above 1.0.0.0 prior to 3.4.0.0, which may lead to user impersonation. If exploited, restricted file contents may be accessed.

Authentication Bypass by Spoofing vulnerability in bestwebsoft Google Captcha google-captcha allows Identity Spoofing.This issue affects Google Captcha: from n/a through <= 1.78.

Authentication Bypass by Spoofing vulnerability in Michal Novák Secure Admin IP allows Functionality Bypass.This issue affects Secure Admin IP: from n/a through 2.0.

QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with a spoofed IP address. This can bypass the IP allow/block list functionality.

Typecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.

An IP Spoofing vulnerability has been discovered in Likeshop up to 2.5.7.20210811. This issue allows an attacker to replace their real IP address with any arbitrary IP address, specifically by adding a forged 'X-Forwarded' or 'Client-IP' h…