Vulnerabilities CVE-2026-73286

CVE-2026-73286

High

Open

TLP:CLEAR

RustF: Request headers can populate server-derived IAM condition keys, letting a caller satisfy identity-based policy conditions

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 get_condition_values folds attacker-controlled request headers from HeaderMap into server-derived userid, username, principaltype, groups, versionid, signatureversion, jwt:, and ldap: condition keys, allowing authenticated callers to satisfy identity-based policy conditions. This issue is fixed in version 1.0.0-beta.12.

Details

CVSS Score: 8.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Confidence: 90%
Published: Aug 12, 2026
Last Modified: Aug 12, 2026

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