CVE-2026-4789

EUVD-2026-17241
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
kyvernokyverno
1.16.0 ≤
𝑥
≤ 1.17.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/kyverno/kyverno
https://kb.cert.org/vuls/id/655822
https://portswigger.net/web-security/ssrf
https://www.kb.cert.org/vuls/id/655822