CVE-2026-24514 ingress-nginx Admission Controller denial of service
Attackers can cause denial of service in ingress-nginx by sending large requests to the validating admission controller, exhausting memory resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24514?
CVE-2026-24514 is a medium-severity denial of service vulnerability in Kubernetes ingress-nginx, published on 3 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-770
Which versions are affected by CVE-2026-24514?
5 open source packages ship an affected version, including k8s.io/ingress-nginx.
| Package | Affected | Fixed in |
|---|---|---|
k8s.io/ingress-nginx Go | All versions | None |
k8s.io/ingress-nginx Go | All versions | 1.13.7 |
k8s.io/ingress-nginx Go | All versions | 1.13.7 |
k8s.io/ingress-nginx Go | From 1.14.0 | 1.14.3 |
k8s.io/ingress-nginx Go | From 1.14.0 | 1.14.3 |
How do I fix CVE-2026-24514?
Upgrade k8s.io/ingress-nginx to a fixed version for your release line: 1.13.7 or 1.14.3.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-24514 being exploited?
There is no known exploitation of CVE-2026-24514 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-2pf9-vr92-6h3v, GO-2026-4417, MINI-2jrc-mhhf-f5ff, MINI-2qgg-m677-q37v, MINI-8xrf-96xw-ww2f, MINI-9f87-m4g4-xjr2 and 6 more.