# CVE-2026-3288

Published articles for CVE-2026-3288.

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## Detecting CVE-2026-3288 & CVE-2026-24512: Ingress-nginx configuration injection vulnerabilities for Kubernetes

DevFeed: [Detecting CVE-2026-3288 & CVE-2026-24512: Ingress-nginx configuration injection vulnerabilities for Kubernetes](<https://devfeed.tech/articles/detecting-cve-2026-3288-cve-2026-24512-ingress-nginx-configuration-injection-vulnerabilities-for-kubernetes-53214.md>)

Original publisher: [Read original article](<https://webflow.sysdig.com/blog/detecting-cve-2026-3288-cve-2026-24512-ingress-nginx-configuration-injection-vulnerabilities-for-kubernetes>)

Author: Michael Clark

Published: 2026-03-17T00:00:00Z

Content type: article

Language: en

Sources: [Sysdig](<https://devfeed.tech/sources/sysdig-blog.md>)

Topics: [ingress-nginx](<https://devfeed.tech/topics/ingress-nginx.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [nginx](<https://devfeed.tech/topics/nginx.md>), [Security](<https://devfeed.tech/topics/security.md>), [Threat Research](<https://devfeed.tech/topics/threat-research.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [configuration-injection](<https://devfeed.tech/tags/configuration-injection.md>), [cve-2026-24512](<https://devfeed.tech/tags/cve-2026-24512.md>), [cve-2026-3288](<https://devfeed.tech/tags/cve-2026-3288.md>), [falco-detection](<https://devfeed.tech/tags/falco-detection.md>), [ingress-nginx](<https://devfeed.tech/tags/ingress-nginx.md>), [ingress-nginx-vulnerability](<https://devfeed.tech/tags/ingress-nginx-vulnerability.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [kubernetes-audit-logs](<https://devfeed.tech/tags/kubernetes-audit-logs.md>), [kubernetes-cve](<https://devfeed.tech/tags/kubernetes-cve.md>), [kubernetes-security](<https://devfeed.tech/tags/kubernetes-security.md>), [nginx-ingress-controller](<https://devfeed.tech/tags/nginx-ingress-controller.md>), [remote-code-execution](<https://devfeed.tech/tags/remote-code-execution.md>), [security](<https://devfeed.tech/tags/security.md>), [sysdig-security](<https://devfeed.tech/tags/sysdig-security.md>), [sysdig-threat-research](<https://devfeed.tech/tags/sysdig-threat-research.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

### AI overview

This security analysis examines CVE-2026-3288, a configuration-injection vulnerability in the Kubernetes NGINX Ingress Controller. It explains how insufficient input sanitization can allow users who can modify Ingress resources to inject nginx directives, potentially enabling remote code execution and disclosure of controller-accessible secrets. The article also relates the issue to CVE-2026-24512 and describes a Falco detection rule based on Kubernetes audit logs.

### Source excerpt

On March 9, 2026, the Kubernetes ingress-nginx project merged a fix for CVE-2026-3288 (CVSS 8.8 HIGH), a configuration injection vulnerability in the NGINX Ingress Controller. The vulnerability allows any user with permission to create or modify Ingress resources by inserting a double-quote character (") into the Ingress path field. Because the field does not properly sanatize input, an attacker can break the expected syntax with a quotation mark and inject arbitrary nginx configuration directives into the generated configuration. The official advisory states that the vulnerability can lead to remote code execution (RCE) and the disclosure of secrets accessible to the controller.