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CVE-2025-67298 Alta · 8.1 CWE-290 11/03/2026
Authentication Bypass by Spoofing em Classroomio
An issue in ClasroomIO before v.0.2.6 allows a remote attacker to escalate privileges via the endpoints /api/verify and /rest/v1/profile
CVE-2025-48840 Média · 5.3 CWE-290 10/03/2026
Authentication Bypass by Spoofing em Fortinet Fortiweb
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 restrictions via a specially crafted request.
CVE-2026-28480 Média · 6.5 CWE-290 05/03/2026
OpenClaw < 2026.2.14 - Identity Spoofing via Mutable Username in Telegram Allowlist Authorization
OpenClaw versions prior to 2026.2.14 contain an authorization bypass vulnerability where Telegram allowlist matching accepts mutable usernames instead of immutable numeric sender IDs. Attackers can spoof identity by obtaining recycled usernames to bypass allowlist restrictions and interact with bots as unauthorized senders.
CVE-2026-28465 Alta · 7.5 CWE-290 05/03/2026
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 manipulating Forwarded or X-Forwarded-* headers in reverse-proxy configurations that implicitly trust these headers.
CVE-2026-27700 Alta · 7.5 CWE-290 25/02/2026
Hono is Vulnerable to Authentication Bypass by IP Spoofing in AWS Lambda ALB conninfo
Hono is a Web application framework that provides support for any JavaScript runtime. In versions 4.12.0 and 4.12.1, when using the AWS Lambda adapter (`hono/aws-lambda`) behind an Application Load Balancer (ALB), the `getConnInfo()` function incorrectly selected the first value from the `X-Forwarded-For` header. Because AWS ALB appends the real client IP address to the end of the `X-Forwarded-For` header, the first value can be attacker-controlled. This could allow IP-based access control mechanisms (such as the `ipRestriction` middleware) to be bypassed. Version 4.12.2 patches the issue.
CVE-2026-2800 Crítica · 9.8 CWE-290 24/02/2026
Spoofing issue in the WebAuthn component in Firefox for Android
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2024-1524 Alta · 8.1 CWE-290 24/02/2026
A local user can be impersonated when using federated authentication with Silent JIT Provisioning.
When the "Silent Just-In-Time Provisioning" feature is enabled for a federated identity provider (IDP) there is a risk that a local user store user's information may be replaced during the account provisioning process in cases where federated users share the same username as local users. There will be no impact on your deployment if any of the preconditions mentioned below are not met. Only when all the preconditions mentioned below are fulfilled could a malicious actor associate a targeted local user account with a federated IDP user account that they control. The Deployment should have: -An IDP configured for federated authentication with Silent JIT provisioning enabled. The malicious actor should have: -A fresh valid user account in the federated IDP that has not been used earlier. -Knowledge of the username of a valid user in the local IDP. -An account at the federated IDP matching the targeted local username.
CVE-2025-71056 Alta · 8.1 CWE-290 23/02/2026
Improper session management in GCOM EPON 1GE ONU version C00R371V00B01 allows attackers…
Improper session management in GCOM EPON 1GE ONU version C00R371V00B01 allows attackers to execute a session hijacking attack via spoofing the IP address of an authenticated user.
CVE-2025-69401 Alta · 7.5 CWE-290 20/02/2026
WordPress WooODT Lite plugin <= 2.5.2 - Payment Bypass Vulnerability vulnerability
Authentication Bypass by Spoofing vulnerability in mdalabar WooODT Lite byconsole-woo-order-delivery-time allows Identity Spoofing.This issue affects WooODT Lite: from n/a through <= 2.5.2.
CVE-2026-24853 Crítica · 9.8 CWE-290 13/02/2026
Caido has an insufficient patch for DNS rebind leading to RCE
Caido is a web security auditing toolkit. Prior to 0.55.0, Caido blocks non whitelisted domains to reach out through the 8080 port, and shows Host/IP is not allowed to connect to Caido on all endpoints. But this is bypassable by injecting a X-Forwarded-Host: 127.0.0.1:8080 header. This vulnerability is fixed in 0.55.0.
CVE-2026-25938 Crítica · 9.8 CWE-290 09/02/2026
FUXA Unauthenticated Remote Code Execution in Node-RED Integration
FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. From 1.2.8 through 1.2.10, an authentication bypass vulnerability in FUXA allows an unauthenticated, remote attacker to execute arbitrary code on the server when the Node-RED plugin is enabled. This has been patched in FUXA version 1.2.11.
CVE-2026-21862 Alta · 7.5 CWE-290 03/02/2026
RustFS sourceIp bypass via spoofed X-Forwarded-For/Real-IP headers
RustFS is a distributed object storage system built in Rust. Prior to version alpha.78, IP-based access control can be bypassed: get_condition_values trusts client-supplied X-Forwarded-For/X-Real-Ip without verifying a trusted proxy, so any reachable client can spoof aws:SourceIp and satisfy IP-allowlist policies. This issue has been patched in version alpha.78.
CVE-2020-37056 Crítica · 9.8 CWE-290 30/01/2026
Contorno de autenticação por spoofing de IP no http-protection para Crystal (CVE-2020-37056)
O Crystal Shard http-protection 0.2.0 contém uma vulnerabilidade de falsificação de IP que permite a atacantes contornar o middleware de proteção por meio da manipulação de cabeçalhos de requisição. Atacantes podem definir valores de IP consistentes nos cabeçalhos X-Forwarded-For, X-Client-IP e X-Real-IP para burlar verificações de segurança e obter acesso não autorizado.
CVE-2026-0834 Alta · 8.8 CWE-290 21/01/2026
Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
Logic vulnerability in TP-Link Archer C20 v5, 6.0, Archer AX53 v1.0 and TL-WR841N v13 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability. This issue affects Archer C20 v6.0 < V6_251031, Archer C20 v5 <EU_V5_260317 or < US_V5_260419 Archer AX53 v1.0 < V1_251215 TL-WR841N v13 < 0.9.1 Build 20231120 Rel.62366
CVE-2026-22797 Crítica · 9.9 CWE-290 19/01/2026
Authentication Bypass by Spoofing em OpenStack Keystonemiddleware
An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1. The external_oauth2_token middleware fails to sanitize incoming authentication headers before processing OAuth 2.0 tokens. By sending forged identity headers such as X-Is-Admin-Project, X-Roles, or X-User-Id, an authenticated attacker may escalate privileges or impersonate other users. All deployments using the external_oauth2_token middleware are affected.
CVE-2025-13455 Alta · 7.8 CWE-290 14/01/2026
Authentication Bypass by Spoofing em Lenovo Thinkplus Fu100 Firmware
A vulnerability was reported in ThinkPlus configuration software that could allow a local authenticated user to bypass ThinkPlus device authentication and enroll an untrusted fingerprint.
CVE-2026-0890 Média · 5.4 CWE-290 13/01/2026
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2025-11250 Crítica · 9.1 CWE-290 13/01/2026
Authentication Bypass
Zohocorp ManageEngine ADSelfService Plus versions before 6519 are vulnerable to Authentication Bypass due to improper filter configurations.
CVE-2025-62235 Alta · 8.1 CWE-290 10/01/2026
Apache Mynewt NimBLE: Incorrect handling of SMP Security Request could lead to undesirable pairing
Authentication Bypass by Spoofing vulnerability in Apache NimBLE. Receiving specially crafted Security Request could lead to removal of original bond and re-bond with impostor. This issue affects Apache NimBLE: through 1.8.0. Users are recommended to upgrade to version 1.9.0, which fixes the issue.
CVE-2025-60538 Média · 6.5 CWE-290 09/01/2026
Authentication Bypass by Spoofing em Go-shiori Shiori
A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to bypass authentication via a brute force attack.
CVE-2026-21894 Média · 6.5 CWE-290 08/01/2026
n8n's Missing Stripe-Signature Verification Allows Unauthenticated Forged Webhooks
n8n is an open source workflow automation platform. In versions from 0.150.0 to before 2.2.2, an authentication bypass vulnerability in the Stripe Trigger node allows unauthenticated parties to trigger workflows by sending forged Stripe webhook events. The Stripe Trigger creates and stores a Stripe webhook signing secret when registering the webhook endpoint, but incoming webhook requests were not verified against this secret. As a result, any HTTP client that knows the webhook URL could send a POST request containing a matching event type, causing the workflow to execute as if a legitimate Stripe event had been received. This issue affects n8n users who have active workflows using the Stripe Trigger node. An attacker could potentially fake payment or subscription events and influence downstream workflow behavior. The practical risk is reduced by the fact that the webhook URL contains a high-entropy UUID; however, authenticated n8n users with access to the workflow can view this webhook ID. This issue has been patched in version 2.2.2. A temporary workaround for this issue involves users deactivating affected workflows or restricting access to workflows containing Stripe Trigger nodes to trusted users only.
CVE-2025-69203 Alta · 8.8 CWE-290 01/01/2026
Signal K Server Vulnerable to Access Request Spoofing
Signal K Server is a server application that runs on a central hub in a boat. Versions prior to 2.19.0 of the access request system have two related features that when combined by themselves and with an information disclosure vulnerability enable convincing social engineering attacks against administrators. When a device creates an access request, it specifies three fields: `clientId`, `description`, and `permissions`. The SignalK admin UI displays the `description` field prominently to the administrator when showing pending requests, but the actual `permissions` field (which determines the access level granted) is less visible or displayed separately. This allows an attacker to request `admin` permissions while providing a description that suggests readonly access. The access request handler trusts the `X-Forwarded-For` HTTP header without validation to determine the client's IP address. This header is intended to preserve the original client IP when requests pass through reverse proxies, but when trusted unconditionally, it allows attackers to spoof their IP address. The spoofed IP is displayed to administrators in the access request approval interface, potentially making malicious requests appear to originate from trusted internal network addresses. Since device/source names can be enumerated via the information disclosure vulnerability, an attacker can impersonate a legitimate device or source, craft a convincing description, spoof a trusted internal IP address, and request elevated permissions, creating a highly convincing social engineering scenario that increases the likelihood of administrator approval. Users should upgrade to version 2.19.0 to fix this issue.
CVE-2025-68644 Alta · 7.4 CWE-290 21/12/2025
Yealink RPS before 2025-06-27 allows unauthorized access to information, including AutoP URL...
Yealink RPS before 2025-06-27 allows unauthorized access to information, including AutoP URL addresses. This was fixed by deploying an enhanced authentication mechanism through a security update to all cloud instances.
CVE-2025-59385 Crítica · 9.8 CWE-290 16/12/2025
QTS, QuTS hero
An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to access resources which are not otherwise accessible without proper authentication. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later
CVE-2025-36754 Crítica · 9.3 CWE-290 13/12/2025
Authentication bypass on web interface
The authentication mechanism on web interface is not properly implemented. It is possible to bypass authentication checks by crafting a post request with new settings since there is no session token or authentication in place. This would allow an attacker for instance to point the device to an arbitrary address for domain name resolution to e.g. facililitate a man-in-the-middle (MitM) attack.