Cloudanix VulnDB

CVE-2026-3888

High · 7.8

CVSS

7.8

EPSS

0.5%

Published

Mar 17, 2026

CISA due date

—

The record

Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.

Affected packages

Ecosystem Package Introduced Fixed

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