CyberSecBulletin

HumanSignal vulnerabilities

We track 9 vulnerabilities in HumanSignal products across 3 products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on November 3, 2026.

9vulnerabilities
0critical
9high
0exploited
8.1average CVSS score

Latest HumanSignal vulnerabilities

  • 7.7 High severity

    label-studio: Server-Side Request Forgery

    CVE-2026-121561HumanSignal

    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 i

  • 7.7 High severity

    label-studio: Authorization Bypass Through User-Controlled Key

    CVE-2026-85211HumanSignal

    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 pr

  • 8.5 High severity

    label-studio: Server-Side Request Forgery

    CVE-2026-85179HumanSignal

    Label Studio through 1.23.0 fails to validate webhook URLs, allowing authenticated users to dispatch requests to internal services including RFC 1918 addresses and cloud metadata endpoints. Attackers can create webhooks targeting private networks and exfiltrat

  • 8.8 High severity

    label-studio: Authorization Bypass Through User-Controlled Key

    CVE-2026-76073HumanSignal

    Label Studio does not scope the annotation detail endpoint to the requesting user's organization. AnnotationAPI in label_studio/tasks/api.py declares queryset = Annotation.objects.all() and provides no get_queryset override, so the default lookup retrieves any

  • 7.8 High severity

    label-studio-ml-backend: Deserialization of Untrusted Data

    CVE-2025-5173HumanSignal

    A vulnerability has been found in HumanSignal label-studio-ml-backend up to 9fb7f4aa186612806af2becfb621f6ed8d9fdbaf and classified as problematic. Affected by this vulnerability is the function load of the file label-studio-ml-backend/label_studio_ml/examples

  • 7.7 High severity

    label-studio: Server-Side Request Forgery

    CVE-2025-25297HumanSignal

    Label Studio is an open source data labeling tool. Prior to version 1.16.0, Label Studio's S3 storage integration feature contains a Server-Side Request Forgery (SSRF) vulnerability in its endpoint configuration. When creating an S3 storage connection, the app

  • 8.7 High severity

    label-studio: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2025-25295HumanSignal

    Label Studio is an open source data labeling tool. A path traversal vulnerability in Label Studio SDK versions prior to 1.0.10 allows unauthorized file access outside the intended directory structure. The flaw exists in the VOC, COCO and YOLO export functional

  • 7.5 High severity

    label-studio: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2023-47117HumanSignalEPSS 4.4%

    Label Studio is an open source data labeling tool. In all current versions of Label Studio prior to 1.9.2post0, the application allows users to insecurely set filters for filtering tasks. An attacker can construct a filter chain to filter tasks based on sensit

  • 8.8 High severity

    label-studio: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2023-43791HumanSignalEPSS 1.59%

    Label Studio is a multi-type data labeling and annotation tool with standardized output format. There is a vulnerability that can be chained within the ORM Leak vulnerability to impersonate any account on Label Studio. An attacker could exploit these vulnerabi