# HumanSignal vulnerabilities

Source: https://junglewise.ai/threats/vendors/humansignal  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/humansignal.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in HumanSignal: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-121561, was published on 3 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 4
- All time: 8 (0 critical, 0 exploited in the wild)

## About HumanSignal

Provider of Label Studio, an open-source data labeling platform.

## Latest HumanSignal vulnerabilities

- [CVE-2026-121561: Label Studio server-side request forgery in export formats](https://junglewise.ai/threats/cve-2026-121561-label-studio-before-1-23-2-label-studio-sdk-before-2-1-2) (high, CVSS 7.7, published 3 Nov 2026)
- [CVE-2026-85211: Label Studio organization filter bypass in proxy_api.py](https://junglewise.ai/threats/cve-2026-85211-label-studio-organization-filter-bypass-in-proxy-api-py) (high, CVSS 7.7, published 3 Sep 2026)
- [CVE-2026-85179: Label Studio webhook URL validation bypass](https://junglewise.ai/threats/cve-2026-85179-label-studio-webhook-url-validation-bypass) (high, CVSS 8.5, published 3 Sep 2026)
- [CVE-2026-76073: Label Studio annotation API missing organization scope check](https://junglewise.ai/threats/cve-2026-76073-label-studio-annotation-api-missing-organization-scope-check) (high, CVSS 8.8, published 24 Aug 2026)
- [CVE-2026-72560: HumanSignal Label Studio server-side request forgery in URL import](https://junglewise.ai/threats/cve-2026-72560-humansignal-label-studio-server-side-request-forgery-in-url) (medium, CVSS 6.5, published 11 Aug 2026)
- [CVE-2026-22033: Label Studio stored XSS in custom_hotkeys with account takeover](https://junglewise.ai/threats/cve-2026-22033-label-studio-stored-xss-in-custom-hotkeys-with-account-takeover) (medium, CVSS 4, published 7 Jul 2026)
- [CVE-2025-47783: HumanSignal Label Studio reflected XSS in label_config parameter](https://junglewise.ai/threats/cve-2025-47783-humansignal-label-studio-reflected-xss-in-label-config-parameter) (high, CVSS 4, published 15 May 2025)
- [Label Studio Nginx path traversal allows unauthorized file access](https://junglewise.ai/threats/label-studio-nginx-path-traversal-allows-unauthorized-file-access-08f7d110) (high, CVSS 7.5, published 24 Mar 2023)

## Most severe HumanSignal vulnerabilities

- [CVE-2026-76073: Label Studio annotation API missing organization scope check](https://junglewise.ai/threats/cve-2026-76073-label-studio-annotation-api-missing-organization-scope-check) (high, CVSS 8.8, published 24 Aug 2026)
- [CVE-2026-85179: Label Studio webhook URL validation bypass](https://junglewise.ai/threats/cve-2026-85179-label-studio-webhook-url-validation-bypass) (high, CVSS 8.5, published 3 Sep 2026)
- [CVE-2026-85211: Label Studio organization filter bypass in proxy_api.py](https://junglewise.ai/threats/cve-2026-85211-label-studio-organization-filter-bypass-in-proxy-api-py) (high, CVSS 7.7, published 3 Sep 2026)
- [CVE-2026-121561: Label Studio server-side request forgery in export formats](https://junglewise.ai/threats/cve-2026-121561-label-studio-before-1-23-2-label-studio-sdk-before-2-1-2) (high, CVSS 7.7, published 3 Nov 2026)
- [Label Studio Nginx path traversal allows unauthorized file access](https://junglewise.ai/threats/label-studio-nginx-path-traversal-allows-unauthorized-file-access-08f7d110) (high, CVSS 7.5, published 24 Mar 2023)
- [CVE-2025-47783: HumanSignal Label Studio reflected XSS in label_config parameter](https://junglewise.ai/threats/cve-2025-47783-humansignal-label-studio-reflected-xss-in-label-config-parameter) (high, CVSS 4, published 15 May 2025)
- [CVE-2026-72560: HumanSignal Label Studio server-side request forgery in URL import](https://junglewise.ai/threats/cve-2026-72560-humansignal-label-studio-server-side-request-forgery-in-url) (medium, CVSS 6.5, published 11 Aug 2026)
- [CVE-2026-22033: Label Studio stored XSS in custom_hotkeys with account takeover](https://junglewise.ai/threats/cve-2026-22033-label-studio-stored-xss-in-custom-hotkeys-with-account-takeover) (medium, CVSS 4, published 7 Jul 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 2 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "HumanSignal vulnerabilities", https://junglewise.ai/threats/vendors/humansignal, 11 November 2026.
