What is CVE-2026-33711?

CVE-2026-33711 is a high-severity vulnerability in Linuxcontainers Incus, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 7.8/10. Published 2026-03-26.

How severe is CVE-2026-33711?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linuxcontainers Incus

CVE-2026-33711

Incus is a system container and virtual machine manager. Incus provides an API to retrieve VM screenshots. That API relies on the use of a temporary file for QEMU to write the screenshot to which is then picked up and sent to the user prio…

EPSS: 0.004 (27.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linuxcontainers Incus
Lxc Incus — versions < 6.23.0

Weakness classification (CWE)

CWE-61 — UNIX Symbolic Link (Symlink) Following

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33711?: CVE-2026-33711 is a high-severity vulnerability in Linuxcontainers Incus, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 7.8/10. Published 2026-03-26.
How severe is CVE-2026-33711?: High severity. CVSS v3 base score is 7.8 out of 10.