CVE-2026-122319
Received Received - Intake

Kyverno Policy Engine DoS via In/NotIn Operators

Vulnerability report for CVE-2026-122319, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-05

Last updated on: 2026-11-05

Assigner: VulnCheck

Description

Kyverno before 1.19.2 contains a denial-of-service vulnerability in the In and NotIn operators that allows attackers to crash the policy engine via an unchecked type assertion. Attackers can submit resources whose JMESPath-evaluated values yield arrays of integers, booleans, or mixed types, triggering a panic that disrupts admission control and policy enforcement.

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Meta Information

Published
2026-11-05
Last Modified
2026-11-05
Generated
2026-11-05
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kyverno kyverno 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-704 The product does not correctly convert an object, resource, or structure from one type to a different type.

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