CVE-2025-54867

Youki Symlink Following Vulnerability

Published Aug 14, 2025 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24859 Youki: If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem.
Github GHSA Github GHSA GHSA-j26p-6wx7-f3pw Youki: If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem.
History
Type Values Removed Values Added
First Time appeared Youki-dev
Youki-dev youki
CPEs cpe:2.3:a:youki-dev:youki:*:*:*:*:*:*:*:*
Vendors & Products Youki-dev
Youki-dev youki
Type Values Removed Values Added
First Time appeared Youki Project
Youki Project youki
Vendors & Products Youki Project
Youki Project youki
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Youki Symlink Following Vulnerability
Weaknesses CWE-61
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 14, 2025, 7:26 PM
Reserved
Jul 31, 2025, 5:23 PM
Status
Analyzed
Published
Aug 14, 2025, 4:15 PM
Modified
Jun 17, 2026, 9:40 AM