VULNERABILITY INTELLIGENCE

CVE-2026-84196

CVSS score7.7 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-09-01
Last modified2026-09-10
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-918

Primary references