Vulnerabilities CVE-2026-73287

CVE-2026-73287

Medium

Open

TLP:CLEAR

RustFS: FTPS MKD bypasses IAM CreateBucket authorization

NVD CVE.org

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Description

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS handles FTPS MKD in FtpsDriver::mkd in crates/protocols/src/ftps/driver.rs by calling storage.create_bucket without authorize_operation for S3Action::CreateBucket, allowing authenticated FTPS users denied s3:CreateBucket to create buckets. This issue is fixed in version 1.0.0-beta.12.

Details

CVSS Score: 5.4
EPSS Score ⓘ: 0.21%

11.6th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Confidence: 90%
Published: Aug 12, 2026
Last Modified: Aug 13, 2026

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