CVE-2026-4789

CRITICAL EPSS 48.7%
Published Mar 30, 20263mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Mar 30, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
48.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

Affected Products 1

VendorProductVersionRange
kyvernokyverno*≥1.16.0  –  ≤1.17.1

References 4

  • github.com https://github.com/kyverno/kyverno
    Product
  • kb.cert.org https://kb.cert.org/vuls/id/655822
    Third Party Advisory
  • portswigger.net https://portswigger.net/web-security/ssrf
    Technical Description
  • kb.cert.org https://www.kb.cert.org/vuls/id/655822
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.