CVE-2026-8589
High
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 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 to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Gitlab
PublishedJun 11, 2026
First seenJun 11, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- gitlab gitlab18.10.8, 18.11.5, 19.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 13.1.4 ≤ v < 18.10.8, 18.11.0 ≤ v < 18.11.5, 19.0.0 ≤ v < 19.0.2 | 18.10.8, 18.11.5, 19.0.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.