CVE-2025-54867

Youki Symlink Following Vulnerability

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.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Affected: youki-dev youki
Published at:
Updated at:

References

Link Tags
https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pw
https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37
https://github.com/youki-dev/youki/releases/tag/v0.5.5

Frequently Asked Questions

What is the severity of CVE-2025-54867?
CVE-2025-54867 has been scored as a high severity vulnerability.
How to fix CVE-2025-54867?
To fix CVE-2025-54867, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-54867 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-54867 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-54867?
CVE-2025-54867 affects youki-dev youki.
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