CVE-2026-73284

RustFS is a distributed object storage system built in Rust. RustFS AddServiceAccount in rustfs/src/admin/handlers/service_account.rs accepts an attacker-controlled target_user after only checking CreateServiceAccountAdminAction, passes it to new_service_account, and prepare_service_account_auth sets is_owner for the resulting root-parent service account. This issue is fixed in version 1.0.0-beta.11.

• CWE-269

• https://github.com/rustfs/rustfs/commit/9866f68d86482b3de7e0058a908727c3815e72b9
• https://github.com/rustfs/rustfs/pull/5141
• https://github.com/rustfs/rustfs/releases/tag/1.0.0-beta.11
• https://github.com/rustfs/rustfs/security/advisories/GHSA-5354-r3w2-34m8

Published

Aug 12, 2026

Last Modified

Aug 12, 2026

Status

Received

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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