CVE-2026-84195

High

Description

Kyverno before 1.16.4 automatically attaches the admission controller's ServiceAccount token to outbound HTTP requests in apiCall service mode without explicit authorization headers. Attackers can exfiltrate the token by directing apiCall requests to external or attacker-controlled endpoints, gaining full control over Kyverno policies and cluster resources.

SeverityHigh

CVSS7.7

Exploit probability—

ProductGithub.com/kyverno/kyverno

PublishedSep 1, 2026

First seenSep 1, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

github.com/kyverno/kyverno1.17.0 or later

Vendor advisories

github.com/kyverno/kyverno/security/advisories/GHSA-8wfp-579w-6r25

Affected products

Product	Affected versions	Fixed in
github.com/kyverno/kyvernoGo	v < 1.17.0	1.17.0

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