CVE-2026-6073 Details
Description
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' browsers due to improper input sanitization.
A cross-site scripting vulnerability has been identified in GitLab EE, affecting all versions from 18.7 prior to 18.9.7, 18.10 prior to 18.10.6, and 18.11 prior to 18.11.3. The issue arises from improper input sanitization, which could have allowed an authenticated user to execute arbitrary JavaScript in the browsers of other users.
Users can upgrade to GitLab versions 18.9.7, 18.10.6, or 18.11.3 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ | [email protected] | Release Notes |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/596340 | [email protected] | Not Applicable |
| https://hackerone.com/reports/3655677 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 18.7.0, < 18.9.7 >= 18.10.0, < 18.10.6 >= 18.11.0, < 18.11.3 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 16, 2026 | Initial Analysis | [email protected] |
| May 14, 2026 | New CVE Received | [email protected] |