CWE-290Base7 in KEV

Authentication Bypass by Spoofing

Incomplete in the CWE catalog · 528 CVEs mapped

528
CVEs mapped
7
In KEV
7.5
Median CVSS
What it is

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Recent examples
9.8cvss
CVE-2026-112241

WordPress SureCart plugin <= 4.9.5 - Broken Authentication vulnerability

Authentication Bypass by Spoofing vulnerability in Brainstorm Force SureCart surecart allows Authentication Abuse.This issue affects SureCart: from n/a through 4.9.5.

CRITICALno explanation yet
—
epss
8.7cvss
CVE-2026-114640

Traefik v3.7.0 before v3.7.14 mTLS Header Spoofing via Ingress-NGINX HTTP Router

Traefik from v3.7.0 before v3.7.14 contains an authentication bypass vulnerability in its Kubernetes Ingress-NGINX provider that forwards client-supplied Ssl-Client-* headers on the plaintext HTTP router. When ssl-redirect is disabled alongside auth-tls-pass-certificate-to-upstream, unauthenticated attackers can send Ssl-Client-Verify: SUCCESS with a chosen certificate subject and issuer to impersonate mTLS identities.

HIGHno explanation yet
—
epss
5.3cvss
CVE-2026-107447

CVE-2026-107447 - MEDIUM Severity Vulnerability

The Contest Gallery WordPress plugin before 34.0.1 does not reliably validate the visitor identity used to enforce its one-vote-per-entry restriction, trusting a client-supplied request header and an unbound client-generated token, which allows unauthenticated users to bypass the restriction and cast multiple votes for the same contest entry, inflating its vote total.

MEDIUMno explanation yet
0%
epss
The record
Technical detail
CWE ID
CWE-290
Abstraction
Base
Structure
Simple
Status
Incomplete