HIGH 8.3 NVD
CVE-2026-84196
Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP request
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.
References
- https://github.com/kyverno/kyverno/security/advisories/GHSA-qr4g-8hrp-c4rw
- https://www.vulncheck.com/advisories/kyverno-before-1.18.0-server-side-request-forgery-via
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-09-01 via NVD.
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