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

High 8.3 Published Updated

Attackers can exfiltrate ServiceAccount tokens via apiCall requests, leading to unauthorized access to Kyverno policies and cluster resources.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-84195?

CVE-2026-84195 is a high-severity vulnerability in kyverno, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2026-84195?

4 open source packages ship an affected version, including github.com/kyverno/kyverno and kyverno.

PackageAffectedFixed in
github.com/kyverno/kyverno GoAll versions1.17.0
github.com/kyverno/kyverno GoAll versions1.17.0
github.com/kyverno/kyverno GoAll versions1.17.0
kyverno BitnamiAll versions1.16.4

How do I fix CVE-2026-84195?

Upgrade github.com/kyverno/kyverno to 1.17.0 or later.

Is CVE-2026-84195 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84195 exists.

Sources

Also known as BIT-kyverno-2026-84195, ECHO-05fd-8305-0abb, GHSA-4x34-82r8-65cf, GHSA-8wfp-579w-6r25, GO-2026-5268, MINI-38f7-m7gp-74gp and 21 more.

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