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CVE-2026-4789

CRITICAL CVSS 3.1: 9.8 EPSS 0.02%
Updated Apr 03, 2026
Kyverno
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions 1.16.0 — 1.17.1
Type CWE-918 (Server-Side Request Forgery (SSRF)), CWE-918 Server-Side Request Forgery (SSRF)
Vendor Kyverno
Public PoC No

Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Kyverno Kyverno
cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*
1.16.0 <= 1.17.1