Medium (5.9) in kubernetes ingress-nginx. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in k8s.io/ingress-nginx 0.28.0.
The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
Severity
CVSS 3.1
5.9 medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)