CVE-2026-42600— MinIO: Path Traversal via msgpack Body in `ReadMultiple` Storage-REST Endpoint
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I. Basic Information for CVE-2026-42600
Vulnerability Information
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Vulnerability Title
MinIO: Path Traversal via msgpack Body in `ReadMultiple` Storage-REST Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
MinIO is a high-performance object storage system. From RELEASE.2022-07-24T01-54-52Z to before RELEASE.2026-04-14T21-32-45Z, A path traversal vulnerability in MinIO's ReadMultiple internode storage-REST endpoint allows a caller holding the cluster root JWT to read files from outside the configured drive roots, bounded only by the MinIO process UID. The attacker sends POST minio/storage/{drivePath}/v63/rmpl with a msgpack-encoded body carrying ../ sequences in the Bucket field. The server opens the resulting path via os.OpenFile with O_RDONLY|O_NOATIME and returns its contents in the msgpack response stream. This vulnerability is fixed in RELEASE.2026-04-14T21-32-45Z.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MinIO 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MinIO是美国MinIO公司的一款开源的对象存储服务器。该产品支持构建用于机器学习、分析和应用程序数据工作负载的基础架构。 MinIO RELEASE.2022-07-24T01-54-52Z版本至RELEASE.2026-04-14T21-32-45Z之前版本存在路径遍历漏洞，该漏洞源于ReadMultiple节点间存储REST端点中的路径遍历，可能导致持有集群根JWT的调用者读取配置驱动器根目录之外的文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-42600
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- https://github.com/minio/minio/security/advisories/GHSA-xh8f-g2qw-gcm7x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-42600
IV. Related Vulnerabilities
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V. Comments for CVE-2026-42600
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