Auth bypass in Rustfs

CVE-2026-73289

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS evaluates the ForAllValues: and ForAnyValue: set qualifiers with the negated string operators StringNotEquals, StringNotEqualsIgnoreCase, StringNot…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Rustfs — versions < 1.0.0-beta.12

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73289?
CVE-2026-73289 is a high-severity vulnerability in Rustfs, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-08-12.
How severe is CVE-2026-73289?
High severity. CVSS v3 base score is 8.1 out of 10.