CVE-2026-20249 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

A vulnerability in the certification authentication feature of Internet Key Exchange version 2 IKEv2 for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device...

CVE-2026-20249

A logic error in the IKEv2 certificate authentication phase of Cisco Secure Firewall ASA and FTD Software allows an unauthenticated, remote attacker to send a crafted certificate during IKEv2 VPN connection setup, crashing the IKEv2 process and causing an unexpected device reload (DoS). The vulne...

NewStart CGSL MAIN 7.02 : nginx Multiple Vulnerabilities (NS-SA-2026-0104)

The remote NewStart CGSL host, running version MAIN 7.02, has nginx packages installed that are affected by multiple vulnerabilities: - When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate...

PT-2026-84843

A flaw was found in submariner. In cert-auth mode, the connection configuration is built using free-form strings from the Custom Resource Definition CRD without proper validation. A malicious cluster can exploit this by publishing a CableName that includes newlines and ipsec.conf directives. This...

CVE-2026-18703

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow...

CVE-2026-18703 Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication Method

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow...

CVE-2026-18703

Technical details about CVE-2026-18703 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-18703 Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication Method

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow...

PT-2026-70838

Name of the Vulnerable Software and Affected Versions MongoDB Server affected versions not specified Description An issue exists where a party possessing a valid client certificate and a corresponding user account can authenticate using certificate-based authentication. This occurs even if an...

client-certificate-auth Vulnerable to Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect

Summary Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Host header, allowing an attacker to redirect users to arbitrary domains. Vulnerable Code javascript //...

@nelluriramu/oegesbot (1.0.0) potentially affected by CVE-2026-25651 via client-certificate-auth (0.3.0)

client-certificate-auth NPM version 0.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on client-certificate-auth and may be impacted: - @nelluriramu/oegesbot 1.0.0 Source cves: CVE-2026-25651 Source advisory: SNYK:JS-CLIENTCERTIFICATEAUTH-15248346...

@nelluriramu/oegesbot (1.0.0) potentially affected by CVE-2026-25651 via client-certificate-auth (0.3.0)

client-certificate-auth NPM version 0.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on client-certificate-auth and may be impacted: - @nelluriramu/oegesbot 1.0.0 Source cves: CVE-2026-25651 Source advisory: OSV:GHSA-M4W9-GCH5-C2G4...

CVE-2026-25651

client-certificate-auth is middleware for Node.js implementing client SSL certificate authentication/authorization. Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Hos...

PT-2026-6861

Summary Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Host header, allowing an attacker to redirect users to arbitrary domains. Vulnerable Code javascript //...

CVE-2026-25651: URL Redirection to Untrusted Site

client-certificate-auth is middleware for Node.js implementing client SSL certificate authentication/authorization. Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Hos...

CVE-2025-6037

Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as +trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/certcertificate. In this configuration, an attacker may be able to...

CVE-2025-6037: Improper Certificate Validation

Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as +trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/certcertificate. In this configuration, an attacker may be able to...

Improper Certificate Validation

github.com/hashicorp/vault is vulnerable to Improper Certificate Validation. The vulnerability is due to insufficient validation of client certificates when a non-CA certificate is configured as trusted. This flaw leads to authentication bypass using the TLS certificate auth method with non-CA...

CVE-2024-2048

Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as trusted certificate. In this configuration, an attacker may be able to craft a malicious certificate that could be used to bypass...

CVE-2024-2048: Improper Certificate Validation

Vault and Vault Enterprise “Vault” TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as trusted certificate. In this configuration, an attacker may be able to craft a malicious certificate that could be used to bypass...