CVE-2026-4789
Received Received - Intake
SSRF Vulnerability in Kyverno CEL HTTP Functions (v

Publication date: 2026-03-30

Last updated on: 2026-04-03

Assigner: CERT/CC

Description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
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Meta Information
Published
2026-03-30
Last Modified
2026-04-03
Generated
2026-06-16
AI Q&A
2026-03-31
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4789
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
kyverno kyverno From 1.16.0 (inc) to 1.17.1 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
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Executive Summary

This vulnerability affects Kyverno versions 1.16.0 and later. It is a Server-Side Request Forgery (SSRF) issue caused by unrestricted Common Expression Language (CEL) HTTP functions.

Impact Analysis

An attacker could exploit the SSRF vulnerability to make unauthorized HTTP requests from the Kyverno server. This could potentially allow the attacker to access internal resources or services that are not normally accessible.

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