CVE-2026-73265

Medium

Description

RustFS is a distributed object storage system built in Rust. RustFS authorizes explicit versionId reads in GetObject, CopyObject sources, and UploadPartCopy sources with s3:GetObject instead of s3:GetObjectVersion, allowing principals without historical-version permission to disclose known historical object content. This issue is fixed in version 1.0.0-beta.11.

SeverityMedium

CVSS6.5

Exploit probability—

ProductRustfs

PublishedAug 12, 2026

First seenAug 12, 2026

Weakness typeCWE-862Missing authorization CWE-863Incorrect authorization

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
rustfs rustfs	< 1.0.0-beta.11	—

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