What is CVE-2026-50540?

CVE-2026-50540 is a critical-severity vulnerability in Kata-containers, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-08-07.

How severe is CVE-2026-50540?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Path Traversal in Kata-containers

CVE-2026-50540

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. Prior to version 4.0.0, kata-runtime is vulnerable to host code execution via an unvalidate…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Kata-containers — versions < 4.0.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-50540?: CVE-2026-50540 is a critical-severity vulnerability in Kata-containers, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-08-07.
How severe is CVE-2026-50540?: Critical severity. CVSS v3 base score is 9.6 out of 10.