CVEvulnerability
CVE-2026-85211
8.3 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-09-03
- Last modified
- 2026-09-10
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-639
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.
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/HumanSignal/label-studio github.com
- https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/io_storages/proxy_api.py github.com
- https://github.com/HumanSignal/label-studio/issues/9924 github.com
- https://www.vulncheck.com/advisories/label-studio-through-1.23.0-cross-organization-storage-uri-resolution www.vulncheck.com
- https://github.com/HumanSignal/label-studio/issues/9924 github.com