What is CVE-2025-62161?

CVE-2025-62161 is a critical-severity vulnerability in Youki-dev Youki, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 10.0/10. Published 2025-11-06.

How severe is CVE-2025-62161?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Youki-dev Youki

CVE-2025-62161

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…

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Youki-dev Youki — versions < 0.5.7

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-62161?: CVE-2025-62161 is a critical-severity vulnerability in Youki-dev Youki, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 10.0/10. Published 2025-11-06.
How severe is CVE-2025-62161?: Critical severity. CVSS v3 base score is 10.0 out of 10.