Description
Youki is a container runtime written in Rust. Prior to version 0.5.5, if /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem. This issue has been patched in version 0.5.5.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pw
Patch x_refsource_misc
https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37
Release Notes x_refsource_misc
https://github.com/youki-dev/youki/releases/tag/v0.5.5
Scores
CVSS v3
7.0
EPSS
0.0016
EPSS Percentile
5.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-61
Status
published
Products (2)
crates.io/youki
0 - 0.5.5crates.io
youki-dev/youki
< 0.5.5
Published
Aug 14, 2025
Tracked Since
Feb 18, 2026