RustFS up to 1.0.0-beta.10 Service Account service_account.rs AddServiceAccount target_user privileges management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.44 |
Summary
A vulnerability identified as critical has been detected in RustFS up to 1.0.0-beta.10. This issue affects the function AddServiceAccount of the file rustfs/src/admin/handlers/service_account.rs of the component Service Account. This manipulation of the argument target_user causes privileges management.
This vulnerability is handled as CVE-2026-73284. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability was found in RustFS up to 1.0.0-beta.10. It has been declared as critical. Affected by this vulnerability is the function AddServiceAccount of the file rustfs/src/admin/handlers/service_account.rs of the component Service Account. The manipulation of the argument target_user with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
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.
The advisory is shared at github.com. This vulnerability is known as CVE-2026-73284 since 08/11/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
Upgrading to version 1.0.0-beta.11 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
- 1.0.0-beta.0
- 1.0.0-beta.1
- 1.0.0-beta.2
- 1.0.0-beta.3
- 1.0.0-beta.4
- 1.0.0-beta.5
- 1.0.0-beta.6
- 1.0.0-beta.7
- 1.0.0-beta.8
- 1.0.0-beta.9
- 1.0.0-beta.10
Website
- Product: https://github.com/rustfs/rustfs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: RustFS 1.0.0-beta.11
Timeline
08/11/2026 CVE reserved08/12/2026 Advisory disclosed
08/12/2026 VulDB entry created
08/12/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-73284 (🔒)
GCVE (CVE): GCVE-0-2026-73284
GCVE (VulDB): GCVE-100-389041
Entry
Created: 08/12/2026 17:04Changes: 08/12/2026 17:04 (57)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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