CVE-2026-84196
HIGH
NVD
CVSS Score
7.7
Severity
HIGH
Published
Sep 01, 2026
Vendor
unknown
Description
Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal services, cloud metadata endpoints, and loopback addresses, with response data reflected in admission error messages enabling non-blind data exfiltration.