CVE-2025-62596CRITICAL 10.0EPSS p12.5%

CVE-2025-62596CVE-2025-62596

Description

Youki is a container runtime written in Rust. In versions 0.5.6 and below, youki’s apparmor handling performs insufficiently strict write-target validation, and when combined with path substitution during pathname resolution, can allow writes to unintended procfs locations. While resolving a path component-by-component, a shared-mount race can substitute intermediate components and redirect the final target. This issue is fixed in version 0.5.7.

Scoring

CVSS 3.110.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
EPSS0.22% probability of exploitation · percentile 12.5% · 2026-06-19T12:03:05Z
Published2025-11-06
Last modified2025-11-10

Underlying weaknesses· 2

CWE-61CWE-363

References

  1. https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030a
  2. https://github.com/youki-dev/youki/security/advisories/GHSA-vf95-55w6-qmrf
  3. https://pkg.go.dev/github.com/cyphar/filepath-securejoin/pathrs-lite/procfs
  4. https://youtu.be/tGseJW_uBB8
  5. https://youtu.be/y1PaBzxwRWQ

2

TypeTargetConfidenceTier
WeaknessRace Condition Enabling Link Followingcwe-3630%live
WeaknessUNIX Symbolic Link (Symlink) Followingcwe-610%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.