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CVE-2026-122314 Details

Description

Kyverno before 1.19.2 contains an unchecked type assertion in its variable-substitution engine that allows users who can submit resources to crash the policy engine. Attackers can submit resources with non-string fields referenced by {{- variable }} shallow substitution in policies, causing a panic that yields webhook denial of service and policy bypass under failurePolicy Ignore.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/kyverno/kyverno/security/advisories/GHSA-x4xq-p8g4-6fwg	[email protected]
https://www.vulncheck.com/advisories/kyverno-before-1.19.2-denial-of-service-via-shallow-variable-substitution-panic	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-248	Uncaught Exception	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes