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CVE-2026-85211

Label Studio through 1.23.0 Cross-Organization Storage URI Resolution

CVSS 4.0 8.3 HIGHCVSS 3.1 7.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-85211

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85211

Published

label-studio

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "HumanSignal",
                    "product": "label-studio",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/label-studio",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "1.23.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON