CVE-2026-6896: 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 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GitLab EEto a version that resolves this vulnerability.Fixed in 18.11.7 - Upgrade
Upgrade
GitLab EEto a version that resolves this vulnerability.Fixed in 19.0.4 - Upgrade
Upgrade
GitLab EEto a version that resolves this vulnerability.Fixed in 19.1.2
Event History
Frequently Asked Questions
What is the severity of CVE-2026-6896?
CVE-2026-6896 has a high severity rating of 8.7.
How do I fix CVE-2026-6896?
To fix CVE-2026-6896, update your GitLab EE to version 18.11.7 or later, 19.0.4 or later, or 19.1.2 or later.
What type of vulnerability is CVE-2026-6896?
CVE-2026-6896 is categorized as a Cross-site Scripting (XSS) vulnerability.
Who is affected by CVE-2026-6896?
CVE-2026-6896 affects authenticated users with developer-role permissions in GitLab EE versions mentioned.
When was CVE-2026-6896 published?
CVE-2026-6896 was published on July 8, 2026.