CVE-2026-10087

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code on behalf of a targeted user due to improper input sanitization in the Analytics Dashboard.

Affected

GitLab

CVSS v3.1 GITLAB

8.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS

0.31% chance of exploitation in the next 30 days, 23rd percentile

Published

2026-06-11

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3759090

Security advisories

• https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released
• https://gitlab.com/gitlab-org/gitlab/-/work_items/601633

References

• CVE Record
• NVD entry