XSS in Gitlab

CVE-2026-6073

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to execute arbitrary JavaScript in other users' browse…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

  • Gitlab — versions 18.7, 18.10, 18.11

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6073?
CVE-2026-6073 is a high-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-05-14.
How severe is CVE-2026-6073?
High severity. CVSS v3 base score is 8.7 out of 10.