Weakness (CWE)
CWE-290: Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
Source: MITRE CWE-290
146 results · Clear filters · Feed
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Critical 9.8
WWBN AVideo 6.5 through 29.7.1 Authentication Bypass via Hybridauth Social Login
WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user via Hybridauth social login display names. Attackers can set their X, Facebook, Yahoo or LinkedIn display name to a vict…
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Critical 9.3
Authentication bypass by spoofing in the MigTD rebinding protocol for the Intel(R) TDX Migration Trust Domain (MigTD) w…
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Critical 9.8
OpenAM before 16.1.4 SAML Authentication Bypass via Unsigned Assertions
OpenAM before 16.1.4 contains an authentication bypass vulnerability in its SAML v2.0 service provider that accepts unsigned assertions on the ECP (PAOS) and HTTP-Artifact bindings when WantAssertionsSigned is false. Unauthenticated remote attackers can submi…
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Critical 9.1
FreeSWITCH: Inbound ICE connectivity checks are accepted without verifying STUN MESSAGE-INTEGRITY
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to 1.11.2, FreeSWITCH's inbound ICE handling accepted every connectivi…
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Critical 9.8
VitaFit Cloud API Authentication Bypass via POST /front/login/sns/
VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full session for a victim's account by submitting a linked Google or Facebook account identifier to the POST /front/login/sns/ endpoi…
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Critical 9.8CVE-2026-102895 Exploited
GPUStack: Authentication bypass via trusted loopback source (reverse-proxy TCP peer or X-GPUStack-Real-IP header) grants unauthenticated admin
GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0, get_current_user in gpustack/api/auth.py treated a loopback request source as the built-in administrator when force_auth_localhost was false, wh…
KEV Nov 9, 2026 -
Critical 9.3
Unverified Sign in with Apple callback parameter can override verified ID token claims
Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability in the Sign in with Apple strategy in pow-auth Assent allows an unauthenticated remote attacker to impersonate another user via the user parameter of the authorization callback. Apple pos…
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Critical 9.1
Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions…
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Critical 9.8
Authentication Bypass by Spoofing Vulnerability in HiRDB
Authentication Bypass by Spoofing Vulnerability in HiRDB. This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-00 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-00 through 09-66/V;…
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Critical 9.8
Authentication Bypass Vulnerability in JP1/Automatic Job Management System 3
Authentication Bypass Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.
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Critical 9.9
Forged signed tokens let any registered user take over other users and organizations
Postiz signs its session, invitation and password reset tokens with one shared secret and without any marker of what a token is for. A route that refreshes the credentials of a browser-extension channel signed data taken from the request itself and stored the…
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Critical 9.8
Bytebase 0.12.0 before 1.0.1 Authentication Bypass via GitLab Self-Hosted Login
Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST e…
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Critical 9.8
WordPress SureCart plugin <= 4.9.5 - Broken Authentication vulnerability
Authentication Bypass by Spoofing vulnerability in Brainstorm Force SureCart surecart allows Authentication Abuse.This issue affects SureCart: from n/a through 4.9.5.
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Critical 9.3
SuggestArr before 3.0.0 Authentication Bypass via X-Forwarded-For Spoofing
SuggestArr before 3.0.0 contains an authentication bypass vulnerability in its local_bypass authentication mode where enforce_authentication() in api_service/auth/middleware.py trusts the client-controlled request.remote_addr value, which is derived from the …
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Critical 9.3
Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support
The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations…
KEV Oct 16, 2026 -
Critical 9.1
joserfc: JWS signature verification bypass via empty signatures array in jws.deserialize_json
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. Prior to 1.7.4, joserfc.jws.deserialize_json() accepts a JWS General JSON Serialization with an empty signatures array as authenticated…
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Critical 9.8
Pre-Authentication Admin Bypass and Remote Code Execution in Nutanix Prism Gateway inside AOS
An unauthenticated remote attacker can bypass authentication and gain full access to administrative API endpoints in Nutanix Prism Element by including a crafted internal management HTTP header. The vulnerability is caused by a misconfiguration in the applica…
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Critical 9.0
Windows Schannel Spoofing Vulnerability
No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
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Critical 9.3
Remote Code Execution (RCE) vulnerability identified in the OpenText™ EnCase SAFE Agents
The OpenText™ (EnCase SAFE Agents) component utilized by OpenText™ Endpoint Investigator, OpenText™ Endpoint Forensics & Response, OpenText™ Information Assurance, and OpenText™ Endpoint Security contains a security vulnerability on the Agents that could allo…
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Critical 9.4
Authentication Bypass via Spoofed Remote-User Header in HTTP Basic Authentication
The HTTP Basic Authentication modules in ((OTRS)) Community Edition 6 and prior accept the authenticated username from either the REMOTE_USER or HTTP_REMOTE_USER environment variable. In CGI and mod_perl based deployments, HTTP request headers may be mapped t…
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Critical 9.2
Payload authentication token field handling issue
Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at …
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Critical 9.1
Plane: Account Takeover via Unverified OAuth Email Match (Gitea, self-managed GitLab)
Plane is an open-source project management tool. Prior to 1.4.0, Plane trusts email addresses returned by Gitea OAuth and by self-managed GitLab OAuth deployments where email confirmation is disabled, without verifying that the provider authenticated ownershi…
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Critical 9.1
ZITADEL before 4.16.2 Account Pre-Hijacking via Forged External IdP Callback
ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoint trusts client-supplied external identity fields without a completed IdP callback. Unauthenti…
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Critical 9.8
WordPress OAuth Single Sign On – SSO (OAuth Client) plugin <= 7.1.2 - Bypass vulnerability vulnerability
Unauthenticated Bypass Vulnerability in OAuth Single Sign On – SSO (OAuth Client) <= 7.1.2 versions.
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Critical 9.8
Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust
Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXY_AUTH_WHITELIST configured but REAL_IP_HEADER unset trusted a client-controlled X-Forwarded-By header for…
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Critical 9.9
kcp front-proxy does not strip inbound X-Remote-* identity headers, allowing any authenticated client to inject groups/warrants and impersonate system:masters in any workspace
kcp is a Kubernetes-like control plane for form-factors and use-cases beyond Kubernetes and container workloads. Prior to 0.31.4 and 0.32.2, the kcp front-proxy does not remove inbound X-Remote-User, X-Remote-Group, or X-Remote-Extra-* identity headers before…
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Critical 10.0
Microsoft Fabric Elevation of Privilege Vulnerability
Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized attacker to elevate privileges over a network.
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Critical 9.0
Microsoft Dataverse Elevation of Privilege Vulnerability
Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.
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Critical 9.1
Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement
Authentication Bypass by Spoofing vulnerability in team-alembic ash_authentication allows an attacker who can plant a remember-me cookie in a victim's browser to replace that victim's authenticated session with one for the attacker's own account. AshAuthentic…
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Critical 9.8
pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode
pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.get_user() read config.WEBSERVER_REMOTE_USER fro…
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Critical 9.1
dynamic_oidc identities are not namespaced by connection in ash_authentication, allowing cross-connection account takeover
Authentication Bypass by Spoofing vulnerability in team-alembic ash_authentication allows an attacker who operates one identity-provider connection of a dynamic_oidc strategy to be signed in as a local user established through a different connection. The stra…
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Critical 9.8
WordPress Headless Single Sign On plugin <= 1.7.0 - Broken Authentication vulnerability
Unauthenticated Broken Authentication in Headless Single Sign On <= 1.7.0 versions.
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Critical 10.0
Cisco ISE API Authentication Bypass Vulnerability
A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authoriza…
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Critical 9.1
@fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IP…
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Critical 9.5
Authentication Bypass via SAML Response Manipulation
Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.
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Critical 9.1
proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
proxy-addr is a Node.js module that determines a request's client address behind trusted reverse proxies, and it backs Express req.ip and req.ips. In versions 1.1.0 through 2.0.7, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, …
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Critical 9.5
Improper Claim Validation in PingAM OIDC Provider
An improper validation vulnerability exists within PingAM where a well-crafted request allows arbitrary or protected ID Token claims to be set or overridden. In certain configurations this could allow an attacker to bypass authentication controls via spoofing…
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Critical 9.1
Apache Syncope: JWT subject spoofing
Authentication bypass by spoofing vulnerability in Apache Syncope. When the configured JWKS settings for internal JWT authentication are disclosed (at least protocol and key), an attacker can spoof another user's privileges after completing a successful authe…
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Critical 9.3
Command Center API Authentication Bypass
Command Center API contained an authentication bypass issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Command Center.
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Critical 9.8CVE-2026-86478 Public exploit
In JetBrains YouTrack before 2025.3.161254, 2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthent…