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Vulnerability record · CVE-2026-41485 · published 24 April 2026

CVE-2026-41485: Kyverno vulnerability

Kyverno · Kyverno

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.17.2 and 1.16.4, an unchecked type assertion in the `forEach` mutation handler allows any user with permission to create a `Policy` or `ClusterPolicy` to crash the cluster-wide background controller into a persistent CrashLoopBackOff. The same bug also causes the admission controller to drop connections and block all matching resource operations. The crash loop persists until the policy is deleted. The vulnerability is confined to the legacy engine, and CEL-based policies are unaffected. Versions 1.17.2 and 1.16.4 fix the issue.

7.7 CVSS 3.1 High EPSS 0.57% · top 54.9% CWE-617 · CWE-617
7.7CVSS 3.1 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.17.2 and 1.16.4, an unchecked type assertion in the `forEach` mutation handler allows any user with permission to create a `Policy` or `ClusterPolicy` to crash the cluster-wide background controller into a persistent CrashLoopBackOff. The same bug also causes the admission controller to drop connections and block all matching resource operations. The crash loop persists until the policy is deleted. The vulnerability is confined to the legacy engine, and CEL-based policies are unaffected. Versions 1.17.2 and 1.16.4 fix the issue.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kyverno/kyverno/commit/76c8fdbe87328722e099e1fd44c3f21c9f7809cb Patch
https://github.com/kyverno/kyverno/commit/80e728c2283a0c65e5adb02d8a907106e6ebe7e3 Patch
https://github.com/kyverno/kyverno/security/advisories/GHSA-fpjq-c37h-cqcv ExploitVendor Advisory
https://github.com/kyverno/kyverno/security/advisories/GHSA-fpjq-c37h-cqcv ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2026-22039Kyverno improper privilege management vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have a critical authorization bo…EPSS 0.58%9.8CVE-2026-4789Kyverno server-side request forgery (ssrf) vulnerabilityKyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.EPSS 0.65%9.1CVE-2026-41323Kyverno information exposure vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1, 1.17.2-rc1, and 1.16.4, Kyverno's apiC…EPSS 0.57%8.2CVE-2025-46342Kyverno vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.13.5 and 1.14.0, it may happen that policy rules…EPSS 0.75%8.1CVE-2026-40868Kyverno vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly inj…EPSS 0.41%8.1CVE-2022-47633Kyverno improper authentication vulnerabilityAn image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to …EPSS 0.96%8.0CVE-2025-29778Kyverno improper authorization vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and I…EPSS 0.34%7.7CVE-2026-41068Kyverno incorrect authorization vulnerabilityKyverno is a policy engine designed for cloud native platform engineering teams. The patch for CVE-2026-22039 fixed cross-namespace privilege escalat…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2026-41485), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.