CVE-2026-4789
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
Kyverno has SSRF via CEL http.Get/http.Post in NamespacedValidatingPolicy allows cross-namespace data access
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/kyverno/kyverno | >=1.16.0,<=1.17.1 | |
| Go | github.com/kyverno/kyverno | >=1.16.0,<1.17.0 | 1.17.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4789
- https://github.com/kyverno/kyverno/pull/15729
- 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
- https://github.com/kyverno/kyverno/security/advisories/GHSA-rggm-jjmc-3394
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.