Security Advisory

CVE-2023-47116

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-01-31 16:21:50

Last updated 2025-06-17 21:29:19

Assigner GitHub_M

State PUBLISHED

Description

Label Studio is a popular open source data labeling tool. The vulnerability affects all versions of Label Studio prior to 1.11.0 and was tested on version 1.8.2. Label Studios SSRF protections that can be enabled by setting the `SSRF_PROTECTION_ENABLED` environment variable can be bypassed to access internal web servers. This is because the current SSRF validation is done by executing a single DNS lookup to verify that the IP address is not in an excluded subnet range. This protection can be bypassed by either using HTTP redirection or performing a DNS rebinding attack.

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