CVE-2026-4342

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 20, 2026

Last Seen

March 21, 2026

API

Exploited in Wild

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Ransomware Use

—

Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Code Execution Vulnerability in Kubernetes ingress-nginx Disclosed72.0

A high-severity vulnerability, CVE-2026-4342, was disclosed on March 19, 2026, affecting ingress-nginx versions prior to v1.13.9, v1.14.5, and v1.15.1. This vulnerability allows attackers with low-level privileges to inject arbitrary configurations into nginx through malicious Ingress annotations, p...