Critical severity9.8NVD Advisory· Published Mar 30, 2026· Updated Apr 3, 2026
CVE-2026-4789
CVE-2026-4789
Description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/kyverno/kyvernoGo | >= 1.16.0, < 1.17.0 | 1.17.0 |
Affected products
44- osv-coords43 versionspkg:apk/chainguard/kyverno-1.16pkg:apk/chainguard/kyverno-1.17pkg:apk/chainguard/kyverno-background-controller-1.16pkg:apk/chainguard/kyverno-background-controller-1.17pkg:apk/chainguard/kyverno-background-controller-fips-1.16pkg:apk/chainguard/kyverno-background-controller-fips-1.17pkg:apk/chainguard/kyverno-cleanup-controller-1.16pkg:apk/chainguard/kyverno-cleanup-controller-1.17pkg:apk/chainguard/kyverno-cleanup-controller-fips-1.16pkg:apk/chainguard/kyverno-cleanup-controller-fips-1.17pkg:apk/chainguard/kyverno-cli-1.16pkg:apk/chainguard/kyverno-cli-1.17pkg:apk/chainguard/kyverno-cli-fips-1.16pkg:apk/chainguard/kyverno-cli-fips-1.17pkg:apk/chainguard/kyverno-fips-1.16pkg:apk/chainguard/kyverno-fips-1.17pkg:apk/chainguard/kyverno-init-container-1.16pkg:apk/chainguard/kyverno-init-container-1.17pkg:apk/chainguard/kyverno-init-container-fips-1.16pkg:apk/chainguard/kyverno-init-container-fips-1.17pkg:apk/chainguard/kyverno-notation-aws-fipspkg:apk/chainguard/kyverno-readiness-checker-1.17pkg:apk/chainguard/kyverno-readiness-checker-fips-1.17pkg:apk/chainguard/kyverno-reports-controller-1.16pkg:apk/chainguard/kyverno-reports-controller-1.17pkg:apk/chainguard/kyverno-reports-controller-fips-1.16pkg:apk/chainguard/kyverno-reports-controller-fips-1.17pkg:apk/wolfi/kyverno-1.16pkg:apk/wolfi/kyverno-1.17pkg:apk/wolfi/kyverno-background-controller-1.16pkg:apk/wolfi/kyverno-background-controller-1.17pkg:apk/wolfi/kyverno-cleanup-controller-1.16pkg:apk/wolfi/kyverno-cleanup-controller-1.17pkg:apk/wolfi/kyverno-cli-1.16pkg:apk/wolfi/kyverno-cli-1.17pkg:apk/wolfi/kyverno-init-container-1.16pkg:apk/wolfi/kyverno-init-container-1.17pkg:apk/wolfi/kyverno-readiness-checker-1.17pkg:apk/wolfi/kyverno-reports-controller-1.16pkg:apk/wolfi/kyverno-reports-controller-1.17pkg:bitnami/kyvernopkg:golang/github.com/kyverno/kyvernopkg:rpm/opensuse/kyverno&distro=openSUSE%20Tumbleweed
< 1.16.3-r13+ 42 more
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.1-r46
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r11
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: < 1.16.3-r13
- (no CPE)range: < 1.17.1-r13
- (no CPE)range: >= 1.16.0, < 1.17.2
- (no CPE)range: >= 1.16.0, < 1.17.0
- (no CPE)range: < 1.17.2-1.1
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-rggm-jjmc-3394ghsaADVISORY
- kb.cert.org/vuls/id/655822nvdThird Party Advisory
- nvd.nist.gov/vuln/detail/CVE-2026-4789ghsaADVISORY
- www.kb.cert.org/vuls/id/655822nvdThird Party AdvisoryWEB
- github.com/kyverno/kyverno/pull/15729ghsaWEB
- github.com/kyverno/kyverno/security/advisories/GHSA-rggm-jjmc-3394ghsaWEB
- portswigger.net/web-security/ssrfnvdTechnical Description
News mentions
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