CVE-2026-4789
CRITICALCVSS 9.8/10EPSS 0.70%
Last modified
CVE-2026-4789 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
Description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kyverno | Kyverno | >= 1.16.0, <= 1.17.1 |
References
- https://kb.cert.org/vuls/id/655822Third Party Advisory
- https://portswigger.net/web-security/ssrfTechnical Description
- https://www.kb.cert.org/vuls/id/655822Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-4789?
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
How severe is CVE-2026-4789?
CVE-2026-4789 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4789?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-4789?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST