CVE-2026-24513 Affecting ingress-nginx-controller-1.15 package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (26th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-INGRESSNGINXCONTROLLER115-17216162
  • published6 Jun 2026
  • disclosed3 Feb 2026

Introduced: 3 Feb 2026

CVE-2026-24513  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest ingress-nginx-controller-1.15.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ingress-nginx-controller-1.15 package and not the ingress-nginx-controller-1.15 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

A security issue was discovered in ingress-nginx where the protection afforded by the auth-url Ingress annotation may not be effective in the presence of a specific misconfiguration.

If the ingress-nginx controller is configured with a default custom-errors configuration that includes HTTP errors 401 or 403, and if the configured default custom-errors backend is defective and fails to respect the X-Code HTTP header, then an Ingress with the auth-url annotation may be accessed even when authentication fails.

Note that the built-in custom-errors backend works correctly. To trigger this issue requires an administrator to specifically configure ingress-nginx with a broken external component.