What is CVE-2026-2995?

CVE-2026-2995 is a high-severity vulnerability in Gitlab, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 7.7/10. Published 2026-03-25.

How severe is CVE-2026-2995?

High severity. CVSS v3 base score is 7.7 out of 10.

XSS in Gitlab

CVE-2026-2995

GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to…

EPSS: 0.001 (24.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Gitlab — versions 15.4, 18.9, 18.10

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

HackerOne Bug Bounty Report #3564600 (technical-description, exploit, permissions-required)
gitlab.com/gitlab-org/gitlab/-/work_items/591065
about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/

Frequently asked questions

What is CVE-2026-2995?: CVE-2026-2995 is a high-severity vulnerability in Gitlab, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 7.7/10. Published 2026-03-25.
How severe is CVE-2026-2995?: High severity. CVSS v3 base score is 7.7 out of 10.