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CVE-2026-84195— Kyverno before 1.16.4 Credential Leak 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 1.16.4 之前的版本在服务模式下的出站 HTTP 请求中，会自动附加准入控制器（admission controller）的 ServiceAccount 令牌，且未携带显式的授权头。攻击者可以通过将请求指向外部或攻击者控制的端点，从而窃取该令牌，进而获得对 Kyverno 策略及集群资源的完全控制权。

CVSS 7.7 · High Updated Sep 01, 2026

Possible ATT&CK Techniques 3 AI

T1071 · Application Layer Protocol T1557 · Adversary-in-the-Middle T1537 · Transfer Data to Cloud Account

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Vulnerability Information

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Vulnerability Title

Kyverno before 1.16.4 Credential Leak via apiCall

Source: CVE Program / CVE List V5

Vulnerability Description

Kyverno before 1.16.4 automatically attaches the admission controller's ServiceAccount token to outbound HTTP requests in apiCall service mode without explicit authorization headers. Attackers can exfiltrate the token by directing apiCall requests to external or attacker-controlled endpoints, gaining full control over Kyverno policies and cluster resources.

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

信息暴露

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
kyverno	kyverno	0 ~ 1.16.4	-

II. Public POCs for CVE-2026-84195

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-84195

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Other References for CVE-2026-84195 (2)

https://github.com/kyverno/kyverno/security/advisories/GHSA-8wfp-579w-6r25 vendor-advisory
https://www.vulncheck.com/advisories/kyverno-before-1.16.4-credential-leak-via-apicall third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-84195

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-2026-84196	7.7 HIGH	Kyverno before 1.18.0 Server-Side Request Forgery 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-200

V. Comments for CVE-2026-84195

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

CVE-2026-84195— Kyverno before 1.16.4 Credential Leak via apiCall

Quick assessment

Possible ATT&CK Techniques 3 AI

I. Basic Information for CVE-2026-84195

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-84195

III. Intelligence Information for CVE-2026-84195

Other References for CVE-2026-84195 (2)

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

IV. Related Vulnerabilities

V. Comments for CVE-2026-84195

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