CVE-2026-0595 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Authenticated attackers can inject HTML into test case titles to add unauthorized email addresses to victim accounts in GitLab.
- 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-2026-0595?
CVE-2026-0595 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 11 Feb 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 CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.
Weakness: CWE-79
Which versions are affected by CVE-2026-0595?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.9.0 | 18.6.6, 18.7.4, 18.8.4 |
Products include Gitlab Gitlab.
How do I fix CVE-2026-0595?
Upgrade gitlab to a fixed version for your release line: 18.6.6, 18.7.4 or 18.8.4.
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-2026-0595 being exploited?
There is no known exploitation of CVE-2026-0595 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2026-0595, GHSA-cf2v-m456-7qjf, MINI-22v3-632r-v5cf, MINI-3r4p-pxgj-wgvq, MINI-3rp2-89hc-qxv2, MINI-4j3f-wh3p-3vh2 and 25 more.