What is CVE-2026-3093?

CVE-2026-3093 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-07-29.

How severe is CVE-2026-3093?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Gitlab

CVE-2026-3093

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in anoth…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab — versions 14.0, 19.1, 19.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@gitlab.com (technical-description, permissions-required, exploit)
cve@gitlab.com
cve@gitlab.com

Frequently asked questions

What is CVE-2026-3093?: CVE-2026-3093 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-07-29.
How severe is CVE-2026-3093?: Medium severity. CVSS v3 base score is 4.7 out of 10.