{"id":"CVE-2026-85211","summary":"Label Studio through 1.23.0 Cross-Organization Storage URI Resolution","details":"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.","modified":"2026-09-05T03:48:30.103297112Z","published":"2026-09-03T14:12:22.489Z","database_specific":{"cwe_ids":["CWE-639"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85211.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85211.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85211"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/label-studio-through-1.23.0-cross-organization-storage-uri-resolution"},{"type":"REPORT","url":"https://github.com/HumanSignal/label-studio/issues/9924"},{"type":"PACKAGE","url":"https://github.com/HumanSignal/label-studio"},{"type":"ARTICLE","url":"https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/io_storages/proxy_api.py"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/humansignal/label-studio","events":[{"introduced":"0"},{"last_affected":"2a9bfbcbf0a844b999de97e601d16050a893f5fb"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.23.0"}],"source":"AFFECTED_FIELD"}}],"versions":["1.23.0","nightly","v1.4.1","v1.4.0","v1.3.0","v1.2.0","v1.1.1","v1.1.0","v1.0.2","v1.0.1","v1.0.0","v0.9.1.post1","v0.9.1.post0","v0.9.0.post5","v0.9.0.post4","v0.9.0.post3","v0.9.0","v0.8.2","v0.8.1","v0.8.0","v0.7.5.post0","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.1","v0.6.0","v0.5.1","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.0","v0.3.0","v0.2.2","v.0.2.1-8","v.0.2.1-5","v.0.2.1-4","v.0.2.1-3","v.0.2.1-2","v.0.2.0","v.0.1.6","v.0.1.5","v.0.1.4","v.0.1.2","v.0.1.1","v.0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85211.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}