CVE-2026-10087

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

State: Published
Severity: 8.7 High
Published: Jun 11, 2026
Updated: Jun 11, 2026
Reserved: May 29, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N	GitLab

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
GitLabGitLab	17.1 to before 18.10.8Affected 18.11 to before 18.11.5Affected 19.0 to before 19.0.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/601633
HackerOne Bug Bounty Report #3759090technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/

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