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.

CVSS v3 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030a	Patch
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory
https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:youki-dev:youki:*:*:*:*:*:rust:*:*

History

19 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Youki es un runtime de contenedores escrito en Rust. En las versiones 0.5.6 e inferiores, la validación inicial de la fuente [SystemPath] es insuficiente, permitiendo un escape de contenedor cuando youki utiliza el montaje de enlace del [SystemPath] del contenedor como una máscara de archivo. Este problema está solucionado en la versión 0.5.7.

Information

Published : 2025-11-06 00:15

Updated : 2026-10-19 13:10

NVD link : CVE-2025-62161

Mitre link : CVE-2025-62161

CVE.ORG link : CVE-2025-62161

JSON object : View

Products Affected

youki-dev

youki

CWE

CWE-61

UNIX Symbolic Link (Symlink) Following

CWE-363

Race Condition Enabling Link Following

{"id": "CVE-2025-62161", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-62161", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-06T21:20:10.358215Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.3, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "youki-dev", "product": "youki", "versions": [{"status": "affected", "version": "< 0.5.7"}]}]}], "published": "2025-11-06T00:15:36.760", "references": [{"url": "https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030a", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-61"}, {"lang": "en", "value": "CWE-363"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Youki es un runtime de contenedores escrito en Rust. En las versiones 0.5.6 e inferiores, la validaci\u00f3n inicial de la fuente [SystemPath] es insuficiente, permitiendo un escape de contenedor cuando youki utiliza el montaje de enlace del [SystemPath] del contenedor como una m\u00e1scara de archivo. Este problema est\u00e1 solucionado en la versi\u00f3n 0.5.7."}], "lastModified": "2026-10-19T13:10:00.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:youki-dev:youki:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "8ABEC689-758E-4D49-AFC4-6C640532D120", "versionEndExcluding": "0.5.7"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}