What is CVE-2026-48769?

CVE-2026-48769 is a critical-severity vulnerability in Lxc Incus, classified under Improper Input Validation. CVSS score: 9.9/10. Published 2026-08-21.

How severe is CVE-2026-48769?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Improper input validation in Lxc Incus

CVE-2026-48769

Incus is a system container and virtual machine manager. Prior to version 7.2.0, an arbitrary file write exists in the Incus client when a malicious image server returns a crafted `Incus-Image-Hash` header. This can lead to arbitrary command execution as root on the server. Version 7.2.0 patches the issue.

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

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Lxc Incus — versions < 7.2.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48769?: CVE-2026-48769 is a critical-severity vulnerability in Lxc Incus, classified under Improper Input Validation. CVSS score: 9.9/10. Published 2026-08-21.
How severe is CVE-2026-48769?: Critical severity. CVSS v3 base score is 9.9 out of 10.