What is CVE-2026-40868?

CVE-2026-40868 is a high-severity vulnerability in Kyverno, classified under CWE-922. CVSS score: 8.1/10. Published 2026-04-21.

How severe is CVE-2026-40868?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Kyverno

CVE-2026-40868

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 po…

EPSS: 0.000 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Kyverno — versions < 1.16.4

Weakness classification (CWE)

CWE-922

References

https://github.com/kyverno/kyverno/security/advisories/GHSA-q93q-v844-jrqp (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40868?: CVE-2026-40868 is a high-severity vulnerability in Kyverno, classified under CWE-922. CVSS score: 8.1/10. Published 2026-04-21.
How severe is CVE-2026-40868?: High severity. CVSS v3 base score is 8.1 out of 10.