CVE-2026-1580
HIGHK8s.io Ingress-nginx < 1.13.7 - Improper Input Validation
Title source: ruleDescription
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Scores
CVSS v3
8.8
EPSS
0.0005
EPSS Percentile
15.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-20
Status
published
Products (3)
k8s.io/ingress-nginx
0 - 1.13.7Go
Kubernetes/ingress-nginx
< 1.13.7
Kubernetes/ingress-nginx
< 1.14.3
Published
Feb 03, 2026
Tracked Since
Feb 18, 2026