Vulnerability · Published Feb 3, 2026 · Assigned by kubernetes

CVE-2026-24514ingress-nginx Admission Controller denial of service

Medium 6.5

In plain English

A medium-severity resource allocation without limits in ingress-nginx from Kubernetes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 56.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

A security issue was discovered in ingress-nginx where the validating admission controller feature is subject to a denial of service condition. By sending large requests to the validating admission controller, an attacker can cause memory consumption, which may result in the ingress-nginx controller pod being killed or the node running out of memory.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gok8s.io/ingress-nginx1.13.7GHSA-2pf9-vr92-6h3v
Gok8s.io/ingress-nginx1.14.3GHSA-2pf9-vr92-6h3v
Gok8s.io/ingress-nginxno fix listedGO-2026-4417

Affected products (as reported)

VendorProductVersions
Kubernetes ingress-nginx 0 – before 1.13.70 – before 1.14.3

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References