Paper/Archive/CVE-2026-4789

CVE-2026-4789

Kyverno Kyverno — CVE-2026-4789

EPSS 0.7%CVSS 9.8

critical.is priorityof 100

40

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 53.5.535 × 2010.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

Kyverno1.16.0–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/kyverno/kyverno refkb.cert.org/vuls/id/655822 refportswigger.net/web-security/ssrf refkb.cert.org/vuls/id/655822