CVE-2025-62161

youki container escape via "masked path" abuse due to mount race conditions

Published 6 Nov 2025Modified 19 Oct 2026CWE 61, 363

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

GHSA7.3CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (high).

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.

Affected packages and fixed versions

Source	Package	Fixed in
cargo::GitHub Security Advisory Rust	youki	0.5.7

References

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