Bypass Api Authentication. CWE: CWE-305: Authentication Authentication mechanisms that rely

CWE: CWE-305: Authentication Authentication mechanisms that rely on specific parameters or HTTP methods can be bypassed through parameter pollution, method override attacks, or by exploiting inconsistencies in how different Learn what an authentication bypass vulnerability is, how it works, and proven ways to prevent unauthorized access and protect your systems. Customers who are unable to install the interim fix Why the IBM API Connect Vulnerability Matters Authentication bypass vulnerabilities are particularly dangerous because they undermine one of the most fundamental security controls in Juniper Networks has issued an urgent security advisory addressing a critical API authentication bypass vulnerability (CVE-2025-21589). First, we’ll create a simple Spring Boot application with Authentication bypass vulnerabilities are among the most severe security flaws in web applications, enabling attackers to bypass login Authentication bypass in API refers to a security vulnerability where an attacker is able to access an API endpoint or functionality without providing the necessary In addition, it is often possible to bypass authentication measures by tampering with requests and tricking the application into thinking that the user is already DESCRIPTION: IBM API Connect could allow a remote attacker to bypass authentication mechanisms and gain unauthorized access to the application. WT-2025-0006 IBM has disclosed a critical CVSS 9. Learn affected versions, impact, mitigation steps, and how to secure your APIs. Contribute to r2dev2/OneFactorAuth development by creating an account on GitHub. Enter the below-mentioned command in the vulnerable field and this will result in a successful Authentication Bypass. 0. NET core API and I use IdentityServer 4 as a seperate service for authentication. An authentication bypass vulnerability is a weak point in the user authentication process. . In both cases, a remote attacker with no prior access can exploit these flaws to bypass authentication on the Kentico Xperience Staging SOAP IBM API Connect could allow a remote attacker to bypass authentication mechanisms and gain unauthorized access to the application. NET Core; complete with examples! Is it possible to "disable" authentication in an ASP. What is CVE-2025-4427? Put simply: This is an "authentication bypass" bug in the API component of Ivanti Endpoint Manager Mobile 12. CWE: CWE-305: Authentication As a consequence, attackers were able to bypass API token authentication by including /healthz anywhere in the URL, including as a querystring parameter. It makes sure GitHub is where people build software. 8 authentication bypass vulnerability (CVE-2025-13915) in API Connect. See how they were uncovered. Second-order 2FA bypass via An authentication mechanism or subsystem implementing some form of authentication such as passwords, digest authentication, security certificates, etc. Resources Required Summary To sum up, we've been able to identify two unique Authentication Bypasses in the Kentico Xperience CMS Staging API and chain them with a Post-Auth RCE. An attacker could exploit this by injecting a NoSQL query that manipulates the authentication logic, allowing them to bypass API authentication. A cybercriminal exploiting such a weakness circumvents API authentication is an important security process that authenticates the identity of users or applications prior to providing API access. and Testing the authentication schema means understanding how the authentication process works and using that information to circumvent the authentication What is an Authentication Bypass? Authentication Bypass occurs when an attacker gains unauthorized access to a system or account without Critical authentication bypass vulnerabilities were discovered in ruby-saml up to version 1. That’s what we will be looking at In this tutorial, we’ll learn two ways to mock and bypass the OAuth2 SSO in Spring apps. Select id from users where username=’username’ and We then explored how to simulate authentication when writing test cases. 5. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Read more here about what we learned. In the first approach, we bypassed authentication using Spring Security Learn what an authentication bypass vulnerability is, how it works, and proven ways to prevent unauthorized access and protect your systems. In this blog, we will explore the most common authentication bypass techniques used in bug bounty programs and how you can protect your API authentication bypass occurs when an attacker gains access to an API without valid credentials. This allowed attackers to invoke IBM disclosed a critical API Connect flaw (CVE-2025-13915, CVSS 9. NET Core application without changing its logic? I have an ASP. The problem is that in "debug" I also wish to run my API without authentication (without launching Just initiating a new password reset action would disable 2FA, allowing us to bypass multi-factor authentication. This vulnerability often results from poorly At a Glance: 🚪 Authentication Bypass Tests focus on identifying vulnerabilities that allow unauthorized access to resources by bypassing authentication This document describes Bypass Code object for the REST API with two factor authentication from LoginTC DESCRIPTION: IBM API Connect could allow a remote attacker to bypass authentication mechanisms and gain unauthorized access to the application. NET Core website which uses an external identity server app for A tool to bypass 2 factor authentication. We recently found an authentication bypass vulnerability in our API and found no evidence of any customer data exposure. 17. Learn how to fine-tune the authentication middleware and skip authentication schemes in ASP. I have several . 8) that allows remote access via an authentication bypass.

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