Vulnerability · Published Mar 30, 2026 · Assigned by certcc
CVE-2026-4789CVE-2026-4789
Critical 9.8
In plain English
A critical-severity security flaw in Kyverno from Kyverno. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 46.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/kyverno/kyverno | 1.17.0 | GHSA-rggm-jjmc-3394 |
| Go | github.com/kyverno/kyverno | 1.17.0 | GO-2026-5621 |