Vulnerability in Youki-dev Youki
CVE-2025-54867
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…
EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Youki-dev Youki — versions < 0.5.5
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-54867?
- CVE-2025-54867 is a high-severity vulnerability in Youki-dev Youki, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 7.0/10. Published 2025-08-14.
- How severe is CVE-2025-54867?
- High severity. CVSS v3 base score is 7.0 out of 10.