CVE-2025-54867
CVE-2025-54867 is a high-severity vulnerability in Youki-dev Youki with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-61.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24859
- Weakness: CWE-61
- Affected product: Youki-dev Youki
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-54867?
- 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.
- How severe is CVE-2025-54867?
- CVE-2025-54867 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-54867 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-54867?
- CVE-2025-54867 affects Youki-dev Youki. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-54867?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-54867 have an EU (EUVD) identifier?
- Yes. CVE-2025-54867 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24859.
- When was CVE-2025-54867 published?
- CVE-2025-54867 was published on 2025-08-14 and last updated on 2026-06-17.
References
- https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37
- https://github.com/youki-dev/youki/releases/tag/v0.5.5
- https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pw
Affected products (1)
- cpe:2.3:a:youki-dev:youki:*:*:*:*:*:*:*:*
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