CVE-2026-6896 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

High 8.7 Published 8 Jul 2026 Updated 9 Jul 2026

Authenticated developers can execute arbitrary scripts in other users' browsers via unsanitized input in GitLab Enterprise Edition.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-6896?

CVE-2026-6896 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 8 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2026-6896?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Package	Affected	Fixed in
`gitlab` Bitnami	From `13.11.0`	`18.11.7, 19.0.4, 19.1.2`

Products include Gitlab Gitlab.

How do I fix CVE-2026-6896?

Upgrade gitlab to a fixed version for your release line: 18.11.7, 19.0.4 or 19.1.2.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-6896 being exploited?

There is no known exploitation of CVE-2026-6896 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2026-6896, GHSA-7367-wp6r-gcqc, MINI-qr76-79gx-cmhj, UBUNTU-CVE-2026-6896.