Vulnerability DatabaseCVE-2026-84195
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CVE-2026-84195
Published:September 01, 2026
Updated:September 01, 2026
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.
Affected Packages
github.com/kyverno/kyverno (GO):
Affected version(s) >=v0.1.0 <v1.16.4
Fix Suggestion:
Update to version v1.16.4
Related Resources (2)
https://github.com/kyverno/kyverno/security/advisories/GHSA-8wfp-579w-6r25
https://www.vulncheck.com/advisories/kyverno-before-1.16.4-credential-leak-via-apicall
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200