ingress-nginx Admission Controller denial of service (Kubernetes ingress-nginx)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.52 % · percentile 44 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- kubernetes
- NVD status
- Deferred
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.
Weaknesses (CWE)
- CWE-770 — Allocation of Resources Without Limits or Throttling
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | kubernetes |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · jordan@liggitt.net (Secondary) |
Advisories
- GHSA-2pf9-vr92-6h3v — ingress-nginx vulnerable to Allocation of Resources Without Limits or Throttling
- GO-2026-4417 — ingress-nginx vulnerable to Allocation of Resources Without Limits or Throttling in k8s.io/ingress-nginx
European references
- ENISA EUVD · EUVD-2026-5515
- GCVE · GCVE-0-2026-24514
Affected products
| Product | Versions |
|---|---|
| Kubernetes · ingress-nginx | affected 0 < 1.13.7 ; affected 0 < 1.14.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |