CVSS 4.0
8.3 highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:NCVE-2026-85211
High (8.3). EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
7.7 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
- CWE
- CWE-639
- Published
- Modified
- Record from
- the NVD, synced
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