---
id: CVE-2026-121561
title: >-
  Label Studio before 1.23.2 SSRF and Token Disclosure via Image Export
  Downloads
summary: >-
  Label Studio before 1.23.2 (label-studio-sdk before 2.1.2) contains a
  server-side request forgery vulnerability that allows authenticated users to
  read internal URLs through image-bearing export formats. Attackers can import
  tasks with d…
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-918
vendor: HumanSignal
product: label-studio
affected:
  - label-studio < 1.23.2
  - label-studio-sdk < 2.1.2
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T15:17:17.112Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121561'
references:
  - url: >-
      https://github.com/HumanSignal/label-studio/security/advisories/GHSA-6437-7wc6-gmx5
    label: GitHub Security Advisory (GHSA-6437-7wc6-gmx5)
  - url: >-
      https://github.com/HumanSignal/label-studio/commit/df96d79183156e556d91825d15fa7721f1145e1a
    label: label-studio fix commit
  - url: >-
      https://github.com/HumanSignal/label-studio-sdk/commit/c20c899aaaa302740dacd46a47e5774bb677561f
    label: label-studio-sdk fix commit
  - url: >-
      https://github.com/HumanSignal/label-studio/blob/1.23.1/label_studio/data_export/models.py#L160-L167
  - url: >-
      https://github.com/HumanSignal/label-studio-sdk/blob/2.1.1/src/label_studio_sdk/_extensions/label_studio_tools/core/utils/io.py#L62-L71
  - url: >-
      https://github.com/HumanSignal/label-studio-sdk/blob/2.1.1/src/label_studio_sdk/_extensions/label_studio_tools/core/utils/io.py#L299-L338
  - url: >-
      https://www.vulncheck.com/advisories/label-studio-before-1.23.2-ssrf-and-token-disclosure-via-image-export-downloads
    label: >-
      VulnCheck Advisory: Label Studio before 1.23.2 SSRF and Token Disclosure
      via Image Export Downloads
tags:
  - cve.org
epss: 0.00432
epssPercentile: 0.37639
ingestedAt: '2026-11-05T19:30:42.979Z'
---

## Overview

Label Studio before 1.23.2 (label-studio-sdk before 2.1.2) contains a server-side request forgery vulnerability that allows authenticated users to read internal URLs through image-bearing export formats. Attackers can import tasks with data.image pointing at internal services, export as YOLO or COCO with images to read responses, and spoof Host to capture the organization owner's API token.

## Affected

- `label-studio < 1.23.2`
- `label-studio-sdk < 2.1.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.