CVE-2026-72560: HumanSignal Label Studio - Server-Side Request Forgery

Published Aug 11, 2026
·
Updated

A server-side request forgery vulnerability in HumanSignal Label Studio through 1.24.0.dev0 exists because SSRFPROTECTIONENABLED is set to false by default. The import-from-URL endpoint fetches any caller-supplied URL including internal loopback addresses on the default installation. An authenticated user can use this to reach internal services, cloud metadata endpoints, and other resources not intended for external access.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Configuration

    Enable SSRF protection by setting SSRF_PROTECTION_ENABLED to true (it is false by default on vulnerable default installations).

    HumanSignal Label Studio SSRF_PROTECTION_ENABLED = true

Event History

Aug 11, 2026
CVE Published
via MITRE·11:12 AM
Data Sourced
via MITRE·11:12 AM
DescriptionSeverityWeakness
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