Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2026-73284?
CVE-2026-73284 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 Cre...
How severe is CVE-2026-73284?
CVE-2026-73284 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-73284?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.