VulnerabilityAnalyzed

CVE-2025-54867

Youki is a container runtime written in Rust.

HIGH 7.0EPSS 0.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.18% probability · 7th percentile
CISA KEV: Not listed
Weakness: CWE-61
Affected: youki-dev/youki
Source: security-advisories@github.com

References

https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37Patch
https://github.com/youki-dev/youki/releases/tag/v0.5.5Release Notes
https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pwVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.