Tag
#Authentication Bypass
Understanding and Defending Against CVE-2026-62645: Authentication Bypass in Reyrolle 7SR5
CVE-2026-62645 is a critical vulnerability in Siemens Reyrolle 7SR5 devices, allowing attackers to bypass authentication and gain unauthorized access. This vulnerability has a CVSS score of 9.8 and is caused by information exposure through the web interface. In this analysis, we will delve into the root cause, attack surface, exploitation mechanics, and provide defensive recommendations.
CVE-2026-86478: Critical Authentication Bypass in JetBrains YouTrack
CVE-2026-86478 is a critical vulnerability in JetBrains YouTrack, allowing unauthenticated account takeover via self-asserted email addresses. With a CVSS score of 9.8, this vulnerability poses a significant risk to organizations using affected versions. Understanding the root cause and attack mechanics is crucial for defenders to implement effective mitigations.
Critical Authentication Bypass Vulnerability in 389 Directory Server (CVE-2026-18922)
A critical vulnerability (CVE-2026-18922) with a CVSS score of 9.8 has been discovered in the 389 Directory Server, a widely used open-source LDAP server. This flaw allows an attacker to bypass authentication and gain elevated privileges, potentially leading to unauthorized access and control of sensitive directory data. The vulnerability is particularly severe as it can be exploited without any valid credentials. Affected products include various versions of Red Hat Directory Server and Red Hat Enterprise Linux.
Understanding and Defending Against CVE-2026-18056: Authentication Bypass in HivePress Authentication Plugin
This educational analysis delves into CVE-2026-18056, an authentication bypass vulnerability in the HivePress Authentication plugin for WordPress. The vulnerability allows unauthenticated attackers to authenticate as any existing WordPress user, including administrators, by exploiting the access_token parameter. We will explore the root cause, attack surface, exploitation mechanics, and provide defensive strategies to mitigate this threat.
Critical Authentication Bypass Vulnerability in MyHome Core WordPress Plugin
A critical authentication bypass vulnerability (CVE-2026-15980) with a CVSS score of 9.8 affects the MyHome Core plugin for WordPress, allowing unauthenticated attackers to generate activation tokens and obtain valid authentication cookies for unconfirmed user accounts, including administrators. This vulnerability exists in all versions up to and including 4.4.5 and requires specific configuration settings to be exploitable. Immediate patching is recommended to prevent potential exploitation.
Understanding and Defending Against CVE-2026-19718: Weak Secret Generation in WordPress Plugins
CVE-2026-19718 is a high-severity vulnerability affecting several WordPress plugins, including BlogVault Backup & Staging, MalCare WordPress Security Plugin, and The WP Remote WordPress Plugin. The vulnerability allows unauthenticated attackers to obtain data derived from a secret binding a site to its remote management service, which is generated using a weak pseudo-random number generator. This enables attackers to recover the secret and gain administrative access to the site. The vulnerability has a CVSS score of 8.1 and is considered high severity.
CVE-2026-67602: phpIPAM REST API Authentication Bypass Vulnerability
A critical vulnerability (CVE-2026-67602, CVSS 9.1) in phpIPAM before 1.8.2 allows unauthenticated attackers to bypass authentication and gain full API access, enabling them to read, write, and delete IP address management records. This vulnerability is due to an insecure object cache keying mechanism in the REST API.
Understanding and Defending Against CVE-2026-16030: MStore API WordPress Plugin Vulnerability
The MStore API WordPress plugin before version 4.21.0 is vulnerable to token forgery, allowing unauthenticated attackers to take over user accounts, including administrator accounts, by forging a token if they know a registered user's phone number. This vulnerability has a CVSS score of 8.1, indicating high severity. Understanding the root cause, attack surface, and exploitation mechanics is crucial for defenders to implement effective mitigations and detections.
Critical Vulnerability in OTP Login With Phone Number, OTP Verification WordPress Plugin
A critical vulnerability (CVE-2026-15210, CVSS 9.1) exists in the OTP Login With Phone Number, OTP Verification WordPress plugin prior to version 1.8.71. An unauthenticated attacker can brute-force OTP login codes to gain account control, including administrator accounts. Immediate action is required to update the plugin.
Eclipse Jetty Digest Authentication Bypass via Character Substitution
CVE-2026-10050 is an authentication bypass vulnerability in Eclipse Jetty's Digest authentication implementation. The vulnerability arises from the use of ISO-8859-1 encoding, which replaces characters outside the Latin-1 range with '?' characters, leading to collisions in Digest authentication response hashes. This allows an attacker to bypass authentication for users with non-Latin-1 passwords.
LiteLLM MCP Authentication Bypass via OAuth2 Passthrough Fallback (CVE-2026-59822)
LiteLLM's MCP Streamable HTTP endpoint is vulnerable to an authentication bypass attack via OAuth2 passthrough fallback, allowing an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token. This issue is fixed in version 1.84.0. A CVSS score of 8.8 indicates high severity.
Critical Authentication Bypass Vulnerability in Check Point SmartConsole (CVE-2026-16232)
A critical authentication bypass vulnerability (CVE-2026-16232) has been discovered in Check Point SmartConsole, allowing unauthenticated remote attackers to obtain application login tokens and gain full administrative privileges. This vulnerability has a CVSS score of 9.1 and is actively being exploited. Affected products include various versions of Check Point Quantum Security Management and Multi-Domain Security Management. Immediate patching or mitigation is strongly recommended.
Critical Authentication Bypass Vulnerability in VMware Avi Load Balancer (CVE-2026-47865)
A critical authentication bypass vulnerability (CVE-2026-47865) has been discovered in VMware Avi Load Balancer, with a CVSS score of 9.8. The vulnerability allows a malicious user with network access to bypass the authentication mechanism and access the Avi Control plane. Affected versions include 31.1.1 through 31.2.2, 30.1.1 through 30.2.6, and 22.1.1 through 22.1.7. Immediate patching is recommended to prevent potential exploitation.
Critical Unverified Password Change Vulnerability in Vimesoft Inc. Enterprise Video Platform (CVE-2026-12692)
A critical unverified password change vulnerability (CVE-2026-12692) with a CVSS score of 9.8 affects Vimesoft Inc.'s Enterprise Video Platform versions 3.11.0.0 to 3.24.0. This vulnerability allows for authentication bypass and could lead to severe impacts including high confidentiality, integrity, and availability risks. Immediate action is required to update to version 3.25.0 or later.
Critical Vulnerability in Siemens Opcenter X Allows Arbitrary JWT Forging
A critical vulnerability (CVE-2026-56451) with a CVSS score of 10 has been identified in Siemens Opcenter X versions prior to V2604. This vulnerability allows an unauthenticated remote attacker to forge arbitrary JSON Web Tokens (JWT), bypass authentication mechanisms, and impersonate any user, including administrative accounts. Immediate action is required to update affected systems.
CVE-2026-14245: Critical Authentication Bypass in miniOrange OTP Login, Verification and SMS Notifications Plugin
The miniOrange OTP Login, Verification and SMS Notifications plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover. This vulnerability, with a CVSS score of 9.8, allows unauthenticated attackers to take control of an arbitrary Administrator account. The plugin's flawed implementation of the password reset process enables attackers to obtain a freshly generated password-reset URL for an Administrator account. Immediate patching is recommended.
CVE-2026-14495: Critical Authentication Bypass in DoLogin Security Plugin for WordPress
The DoLogin Security plugin for WordPress is vulnerable to authentication bypass due to insufficient randomness in all versions up to and including 4.3. This vulnerability allows unauthenticated attackers to brute-force a limited seed space and reconstruct active passwordless login tokens, enabling them to authenticate as any targeted user, including administrators, without a password. The vulnerability has a CVSS score of 8.8 and requires a valid, unexpired passwordless login link to exist for the target account. Immediate patching is recommended.
Critical Authentication Bypass Vulnerability in Rancher GitHub Authentication Provider (CVE-2026-41053)
A critical vulnerability (CVE-2026-41053) with a CVSS score of 8.8 was discovered in the Rancher GitHub authentication provider. This vulnerability allows for incorrect authentication caching, granting principal access to any logged-in user. Affected versions include Rancher 2.13 before 2.13.6 and 2.14 before 2.14.2. Organizations are urged to upgrade to patched versions immediately to prevent potential authentication bypass attacks.
Understanding and Defending Against CVE-2019-25763: Authentication Bypass in WordPress Ultimate Addons for Beaver Builder
CVE-2019-25763 is a critical authentication bypass vulnerability in WordPress Ultimate Addons for Beaver Builder 1.2.4.1. Attackers can exploit this flaw to gain unauthorized access by manipulating the social media login form functionality. This vulnerability has a CVSS score of 9.8, indicating a high severity threat. Understanding the root cause, attack vector, and defensive strategies is crucial for security practitioners to protect their deployments.