CVE-2026-4789

critical

Description

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

References

Advisories
More

https://kb.cert.org/vuls/id/655822

https://www.kb.cert.org/vuls/id/655822

https://portswigger.net/web-security/ssrf

https://github.com/kyverno/kyverno

Details

Source: Mitre, NVD

Published: 2026-03-30

Updated: 2026-04-03

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:P/A:N

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00005