Description
Youki is a container runtime written in Rust. In versions 0.5.6 and below, the initial validation of the source /dev/null is insufficient, allowing container escape when youki utilizes bind mounting the container's /dev/null as a file mask. This issue is fixed in version 0.5.7.
Scores
CVSS v3
10.0
EPSS
0.0005
EPSS Percentile
14.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-61
CWE-363
Status
published
Products (2)
crates.io/youki
0 - 0.5.7crates.io
youki-dev/youki
< 0.5.7
Published
Nov 06, 2025
Tracked Since
Feb 18, 2026