๐Ÿ” CVE Alert

CVE-2026-122319

HIGH 7.5

Kyverno before 1.19.2 Denial of Service via In/NotIn Operator Panic

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-704
Vendor kyverno
Product kyverno
Published Nov 5, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

kyverno / kyverno
0 < 1.19.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/kyverno/kyverno/security/advisories/GHSA-r2p2-3892-5jjf vulncheck.com: https://www.vulncheck.com/advisories/kyverno-before-1.19.2-denial-of-service-via-in-notin-operator-panic

Credits

sagarkhandagre998