CVE-2025-54867: Youki: If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem.

CVE-2025-54867 · Severity: low · CVSS 3.1 · Published 2025-08-14

Youki: If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem.

Technologies: youki (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2025-54867 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54867 being exploited in the wild.
How severe is CVE-2025-54867?
Low severity, with a CVSS score of 3.1, published 14 August 2025.
Which products and versions are affected?
youki (crates.io) SEMVER:introduced=0,fixed=0.5.5.
Is there a fix for CVE-2025-54867?
Yes. youki (crates.io): upgrade to 0.5.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54867?
Check whether you run youki (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • youki (crates.io): upgrade to 0.5.5 or later
    cargo update -p youki

Affected products

  • youki (crates.io) SEMVER:introduced=0,fixed=0.5.5

Identifiers

  • CVE-2025-54867
  • GHSA-j26p-6wx7-f3pw

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