What is CVE-2026-22033?

CVE-2026-22033 is a medium-severity vulnerability in Humansignal Label-studio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-12.

How severe is CVE-2026-22033?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Humansignal Label-studio

CVE-2026-22033

Label Studio is a multi-type data labeling and annotation tool. In 1.22.0 and earlier, a persistent stored cross-site scripting (XSS) vulnerability exists in the custom_hotkeys functionality of the application. An authenticated attacker (o…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Humansignal Label-studio — versions <= 1.22.0
Humansignal Label_studio

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-22033?: CVE-2026-22033 is a medium-severity vulnerability in Humansignal Label-studio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-12.
How severe is CVE-2026-22033?: Medium severity. CVSS v3 base score is 5.4 out of 10.