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Vulnerability record · CVE-2022-47633 · published 23 December 2022

CVE-2022-47633: Kyverno improper authentication vulnerability

Kyverno · Kyverno

An 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 inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

8.1 CVSS 3.1 High EPSS 0.96% · top 40.1% CWE-287 · Improper authentication
8.1CVSS 3.1 base score
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

An 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 inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

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

Affected products

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

References

LinkTags
https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5 PatchThird Party Advisory
https://github.com/kyverno/kyverno/pull/5713 PatchThird Party Advisory
https://github.com/kyverno/kyverno/releases/tag/v1.8.5 Release NotesThird Party Advisory
https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm PatchThird Party Advisory
https://kyverno.io/docs/writing-policies/verify-images/ Product
https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5 PatchThird Party Advisory
https://github.com/kyverno/kyverno/pull/5713 PatchThird Party Advisory
https://github.com/kyverno/kyverno/releases/tag/v1.8.5 Release NotesThird Party Advisory
https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm PatchThird Party Advisory
https://kyverno.io/docs/writing-policies/verify-images/ Product

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2022-47633), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.