CVE-2026-4789
Critical
Description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
SeverityCritical
CVSS9.8
Exploit probability—
ProductKyverno
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- github.com/kyverno/kyverno1.17.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kyverno kyverno | 1.16.0 ≤ v ≤ 1.17.1 | — |
| github.com/kyverno/kyvernoGo | 1.16.0 ≤ v < 1.17.0 | 1.17.0 |
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