CVE-2026-85211: Authorization Bypass Through User-Controlled Key in HumanSignal label-studio
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.
CVE-2026-85211: Authorization Bypass Through User-Controlled Key in HumanSignal label-studio
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.
CVSS v4.0
Score 8.3high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-03T13:44:49.184Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9982b8acd9273b4909fd79
Added to database: 09/03/2026, 14:22:48 UTC
Last updated: 09/03/2026, 14:22:48 UTC
Views: 1
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