CVE-2026-85211
Label Studio through 1.23.0 Cross-Organization Storage URI Resolution
- State
- Published
- Severity
- 8.3 High
- Published
- Sep 3, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 3, 2026
Description
Label Studio fails to apply organization filters when resolving storage URIs for tasks and projects in proxy_api.py endpoints. Attackers can access other tenants' cloud storage objects by creating a separate organization and supplying arbitrary file URIs to presign or stream bucket contents.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.3 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N | VulnCheck |
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
label-studioHumanSignal |
|
References
- GitHub Issue #9924issue-tracking
- https://github.com/HumanSignal/label-studioproduct
- io_storages/proxy_api.py at 1.23.0technical-description
- VulnCheck Advisory: Label Studio through 1.23.0 Cross-Organization Storage URI Resolutionthird-party-advisory
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