CVE-2026-5545: Authentication Bypass by Primary Weakness

libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTPS request after a Negotiate-authenticated one, when both use the same host. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid...

CVE-2026-42602: Observable Timing Discrepancy

azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any...

CVE-2026-44351: Improper Authentication

fast-jwt provides fast JSON Web Token JWT implementation. Prior to 6.2.4, a critical authentication-bypass vulnerability in fast-jwt's async key-resolver flow allows any unauthenticated attacker to forge arbitrary JWTs that are accepted as authentic. When the application's key resolver returns an...

CVE-2025-27853: Missing Authentication for Critical Function

The locally served web site on the Garmin WDU v1 1.4.6 and v2 5.0 allows its authentication to be bypassed. The WDU web site only performs authentication with the client within the client's browser. The WebSockets used to communicate with the WDU server do not enforce any authentication. An...

CVE-2026-40460: Authentication Bypass by Spoofing

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2025-27853

The Garmin WDU (versions v1 1.4.6 and v2 5.0 ) is subject to an authentication bypass vulnerability within its locally served web site. The vulnerability exists because the site only performs authentication within the client's browser, whereas the WebSockets used to communicate with the WDU serve...

ROS-20260513-73-0012

Vulnerability in python-django related to spoofing authentication bypass. Exploitation of the vulnerability could allow an attacker acting remotely to conduct spoofing attacks...

CVE-2026-0257: Reliance on Cookies without Validation and Integrity Checking

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues...

The vulnerability in the implementation of the Internet Key Exchange (IKE) protocol in Windows operating systems allows a hacker to induce a service failure.

The vulnerability of the Internet Key Exchange IKE protocol implementation in Windows operating systems relates to bypassing authentication by avoiding memory release after the effective lifetime of the protocol. Exploiting this vulnerability can allow a malicious actor to cause service...

The vulnerability of the TCP/IP driver for Windows operating systems allows attackers to circumvent security restrictions.

The vulnerability of the TCP/IP driver for Windows operating systems relates to bypassing authentication using an alternative path or channel. Exploiting this vulnerability allows a malicious actor to circumvent security restrictions remotely...

Huawei HG630 信任管理问题漏洞

The Huawei HG630 is a home broadband wireless router gateway device produced by the Chinese company Huawei. The Huawei HG630 V2 has a trust management vulnerability; this issue stems from an authentication bypass mechanism, which allows unauthorized attackers to obtain administrative access by...

PT-2026-40754

Name of the Vulnerable Software and Affected Versions PAN-OS versions prior to 10.2.7 PAN-OS version 10.2.8 PAN-OS version 10.2.9 PAN-OS version 10.2.10 PAN-OS version 10.2.11 Prisma Access affected versions not specified Description Authentication bypass flaws in the GlobalProtect portal and...

Palo Alto Networks PAN-OS 安全漏洞

Palo Alto Networks PAN-OS is an operating system developed by Palo Alto Networks for its firewall devices. There is a security vulnerability in Palo Alto Networks PAN-OS, which stems from authentication bypass issues in the GlobalProtect portal and gateway. This vulnerability could allow attacker...

CVE-2026-45109: Authentication Bypass Using an Alternate Path or Channel

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.18 and 16.2.6, it was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. This vulnerability is fixed in 15.5.18 and 16.2.6...

NPM: SillyTavern has Authentication Bypass via SSO Header Injection

NPM: SillyTavern has Authentication Bypass via SSO Header Injection vulnerability discovered by ? in WordPress Npm sillytavern versions = 1.17.0...

SillyTavern has Authentication Bypass via SSO Header Injection

Resolution SillyTavern 1.18.0 now includes a configuration option to limit which IP addresses can authorize using SSO headers, limiting to just loopback addresses by default. A setting can be customized according to user's needs. Documentation: https://docs.sillytavern.app/administration/sso/...

GHSA-GXX6-H3G6-VWJH SillyTavern has Authentication Bypass via SSO Header Injection

Resolution SillyTavern 1.18.0 now includes a configuration option to limit which IP addresses can authorize using SSO headers, limiting to just loopback addresses by default. A setting can be customized according to user's needs. Documentation: https://docs.sillytavern.app/administration/sso/...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

CVE-2026-42889

Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full...

CVE-2026-42889

Summary (CVE-2026-42889): Relay Server (used with Obsidian) versions 0.9.0–0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were treated as having full server permissions, all...