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CVE-2026-4789

Quick assessment

Affected
Kyverno Kyverno
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kyverno是Kyverno开源的一个为 Kubernetes 设计的策略引擎。 Kyverno 1.16.0及之后版本存在安全漏洞，该漏洞源于无限制的CEL HTTP函数，可能导致服务端请求伪造。

AI Predicted 8.8 Difficulty: Easy EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1041 · Exfiltration Over C2 Channel
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I. Basic Information for CVE-2026-4789

Vulnerability Information
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Vulnerability Title
CVE-2026-4789
Source: CVE Program / CVE List V5
Vulnerability Description
Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Kyverno 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kyverno是Kyverno开源的一个为 Kubernetes 设计的策略引擎。 Kyverno 1.16.0及之后版本存在安全漏洞，该漏洞源于无限制的CEL HTTP函数，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Kyverno Kyverno 1.16.0 -

II. Public POCs for CVE-2026-4789

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-4789

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Vendor Advisories for CVE-2026-4789 (1)

Security Blog Posts for CVE-2026-4789 (1)

IV. Related Vulnerabilities

Same product: Kyverno
Same vendor: Kyverno

V. Comments for CVE-2026-4789

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