CVE-2026-85211

EUVD-2026-70489
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/HumanSignal/label-studio
https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/io_storages/proxy_api.py
https://github.com/HumanSignal/label-studio/issues/9924
https://www.vulncheck.com/advisories/label-studio-through-1.23.0-cross-organization-storage-uri-resolution
https://github.com/HumanSignal/label-studio/issues/9924