CVE-2026-22033: Label Studio is a multi-type data labeling and annotation tool

Q: How do I fix CVE-2026-22033?

label studio: upgrade to newer than 1.22.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-22033 being exploited?

CVE-2026-22033 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-22033 affect?

CVE-2026-22033 affects label studio. Severity is medium (CVSS 5.4). 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 (or

Q: How urgent is CVE-2026-22033?

Priority 29/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2026-22033 is a medium-severity flaw (CVSS 5.4) affecting label studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 (or one who can trick a user/administrator into updating their custom_hotkeys) can inject JavaScript code that executes in other users’ browsers when those users load any page using the templates/base.html templat

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79, CWE-284
Published	2026-01-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: humansignal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-12 18:15 UTCPublished CVE record published
2026-06-17 10:19 UTCUpdated Record last modified

humansignal label studio UPGRADE

Affected: <= 1.22.0

Fixed in: newer than 1.22.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy label-studio || rpm -q label-studio || label-studio --version

2. UPGRADE to newer than 1.22.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade label-studio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade label-studio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22033?

label studio: upgrade to newer than 1.22.0. Exact commands for each OS are on this page.

Is CVE-2026-22033 being exploited?

CVE-2026-22033 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22033 affect?

CVE-2026-22033 affects label studio. Severity is medium (CVSS 5.4). 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 (or

How urgent is CVE-2026-22033?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2025-47783 MEDIUM 6.1 UPGRADE Label Studio is a multi-type data labeling and annotation tool
CVE-2025-25297 HIGH 8.6 UPGRADE Label Studio is an open source data labeling tool
CVE-2025-25296 MEDIUM 6.1 UPGRADE Label Studio is an open source data labeling tool

References

← Back to latest CVEs