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
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
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.