CVE-2025-62161
CVE-2025-62161 is a critical-severity vulnerability in Youki-dev Youki with a CVSS 3.x base score of 10.0. 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: Critical (CVSS 3.x base score 10.0)
- CVSS v4: 7.3
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-37939
- Weakness: CWE-61
- Affected product: Youki-dev Youki
- Published:
- Last modified:
Description
Youki is a container runtime written in Rust. In versions 0.5.6 and below, the initial validation of the source /dev/null is insufficient, allowing container escape when youki utilizes bind mounting the container's /dev/null as a file mask. This issue is fixed in version 0.5.7.
Frequently asked questions
- What is CVE-2025-62161?
- Youki is a container runtime written in Rust. In versions 0.5.6 and below, the initial validation of the source /dev/null is insufficient, allowing container escape when youki utilizes bind mounting the container's /dev/null as a file mask. This issue is fixed in version 0.5.7.
- How severe is CVE-2025-62161?
- CVE-2025-62161 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-62161 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-62161?
- CVE-2025-62161 affects Youki-dev Youki. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-62161?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-62161 have an EU (EUVD) identifier?
- Yes. CVE-2025-62161 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37939.
- When was CVE-2025-62161 published?
- CVE-2025-62161 was published on 2025-11-06 and last updated on 2026-06-17.
References
- https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030a
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8
Affected products (1)
- cpe:2.3:a:youki-dev:youki:*:*:*:*:*:rust:*:*
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