CVE-2026-4434
High · 8.1CVSS
8.1
EPSS
0.2%
Published
Mar 20, 2026
CISA due date
—
The record
Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-96375 Improper Certificate Validation vulnerability in Drupal Cloud allows Adversary in the… CWE-295
- CVE-2026-87944 Improper Certificate Validation vulnerability in Drupal SAML SSO - Service Provider… CWE-295
- CVE-2026-114642 Traefik 2.11.0 before 2.11.58 and 3.0.0 before 3.7.14 stores its NTLM/Kerberos backend… CWE-295
- CVE-2026-114406 The system certificate authority (CA) store in Red Hat products, distributed via… CWE-295
- CVE-2026-95210 Improper certificate validation in gnutls v3.8.13 causes the application to accept… CWE-295
- CVE-2026-97687 urllib3 is an HTTP client library for Python. CWE-295
- CVE-2026-101916 @grpc/grpc-js implements the core functionality of gRPC purely in JavaScript, without a… CWE-295
- CVE-2026-63374 AnyIO is a high level asynchronous concurrency and networking framework that works on top… CWE-295