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CVE-2026-84196— Kyverno before 1.18.0 Server-Side Request Forgery via apiCall

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 在 1.18.0 之前版本中存在一个服务端请求伪造（SSRF）漏洞，位于中。该漏洞允许经过身份验证的用户通过变量替换注入用户可控的输入，从而发送任意 HTTP 请求。攻击者可以针对内部服务、云元数据端点以及环回地址进行攻击，且响应数据会在准入错误消息中反映出来，从而实现非盲式数据外泄。

CVSS 7.7 · High Updated Sep 01, 2026

Possible ATT&CK Techniques 3 AI

T1011 · Exfiltration Over Other Network Medium T1190 · Exploit Public-Facing Application T1041 · Exfiltration Over C2 Channel

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Vulnerability Information

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Vulnerability Title

Kyverno before 1.18.0 Server-Side Request Forgery via apiCall

Source: CVE Program / CVE List V5

Vulnerability Description

Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal services, cloud metadata endpoints, and loopback addresses, with response data reflected in admission error messages enabling non-blind data exfiltration.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

服务端请求伪造(SSRF)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
kyverno	kyverno	0 ~ 1.18.0	-

II. Public POCs for CVE-2026-84196

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-84196

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Other References for CVE-2026-84196 (2)

https://github.com/kyverno/kyverno/security/advisories/GHSA-qr4g-8hrp-c4rw vendor-advisory
https://www.vulncheck.com/advisories/kyverno-before-1.18.0-server-side-request-forgery-via-apicall third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-84196

Same Patch Batch · kyverno · 2026-09-01 · 6 CVEs total

CVE-2026-84200	9.0 CRITICAL	Kyverno before v1.13.0 Policy Bypass via Multiple Exceptions
CVE-2026-84199	7.7 HIGH	Kyverno before 1.16.2 SSRF via APICall Feature
CVE-2026-84195	7.7 HIGH	Kyverno before 1.16.4 Credential Leak via apiCall
CVE-2025-15613	6.5 MEDIUM	Kyverno before v1.13.4 SSRF via Service Call
CVE-2023-54356	3.7 LOW	Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites

IV. Related Vulnerabilities

Same product: kyverno

Same vendor: kyverno

Same weakness: CWE-918

V. Comments for CVE-2026-84196

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-84196— Kyverno before 1.18.0 Server-Side Request Forgery via apiCall

Quick assessment

Possible ATT&CK Techniques 3 AI

I. Basic Information for CVE-2026-84196

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-84196

III. Intelligence Information for CVE-2026-84196

Other References for CVE-2026-84196 (2)

Same Patch Batch · kyverno · 2026-09-01 · 6 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-84196

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