Kubernetes ingress-nginx fixes 1 vulnerability

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[TLP:CLEAR] Kubernetes ingress-nginx fixes 1 vulnerability

Kubernetes fixes 1 vulnerability in ingress-nginx with versions 1.13.8, 1.14.4, 1.15.0. The presence of ingress-nginx in a cluster can be verified with the command "kubectl get pods --all-namespaces --selector app.kubernetes.io/name=ingress-nginx" [1].

Kubernetes ingress-nginx – RCE (CVE-2026-3288)

CVSS 8.8 (High)

Due to insufficient input validation, an authenticated remote attacker can execute code in the context of the controller component, which may also lead to disclosure of sensitive data (Secrets) available to this component [1].

The vulnerability is present in product:

ingress-nginx; <1.13.8; >=1.14.0, <1.14.4

CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

More information:

CVE-2026-3288 at cve.org, NVD
CWE-20: Improper Input Validation at cwe.mitre.org

The vulnerability was publicly disclosed 9. 3. 2026.

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[TLP:CLEAR] Kubernetes ingress-nginx fixes 1 vulnerability

Kubernetes ingress-nginx – RCE (CVE-2026-3288)

CVSS 8.8 (High)

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