CVE-2026-73265: RustFS: Version-specific object reads authorize the non-version action
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 1.0.0-beta.11
Event History
Frequently Asked Questions
What is the severity of CVE-2026-73265?
The severity of CVE-2026-73265 is medium, with a score of 6.5.
How do I fix CVE-2026-73265?
To fix CVE-2026-73265, ensure that the correct permissions are implemented for accessing versioned objects using s3:GetObjectVersion.
What are the potential impacts of CVE-2026-73265?
CVE-2026-73265 allows unauthorized access to historical versioned objects, potentially leading to data leaks.
Which software does CVE-2026-73265 affect?
CVE-2026-73265 affects the RustFS distributed object storage system.
When was CVE-2026-73265 published?
CVE-2026-73265 was published on August 12, 2026.