Vulnerability · Published Aug 12, 2026 · Assigned by GitHub_M

CVE-2026-73265RustFS: Version-specific object reads authorize the non-version action

Medium 6.5

In plain English

A medium-severity missing authorization in rustfs from rustfs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 64.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
rustfs	rustfs	< 1.0.0-beta.11

Weakness: CWE-862, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/rustfs/rustfs/security/advisories/GHSA-3ppv-fx5m-m749 x_refsource_CONFIRM
https://github.com/rustfs/rustfs/pull/5142 x_refsource_MISC
https://github.com/rustfs/rustfs/commit/81665617029e5e437ecf9dc70d8dcbbbf80cdbd1 x_refsource_MISC
https://github.com/rustfs/rustfs/releases/tag/1.0.0-beta.11 x_refsource_MISC