CVE-2026-40868 - Vulnerability Analysis

Overview

Kyverno < 1.16.4 contains an authorization token disclosure caused by implicit injection of the serviceaccount token in apiCall servicecall helper, letting attackers receive the token via attacker-controlled endpoints, exploit requires ClusterPolicy or global context usage.

Severity & Score

Impact

Attackers can obtain the Kyverno serviceaccount token, potentially leading to privilege escalation or unauthorized access.

Mitigation

Update to version 1.16.4 or later.

References

• https://github.com/kyverno/kyverno/security/advisories/GHSA-q93q-v844-jrqp

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Apr 21, 2026

🟠 CVE-2026-40868 - High (8.1) Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy d... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-40868/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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• Vulnerability Intelligence Dashboard
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