CVE-2026-12635
Unknown
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through mirror synchronization due to improper URL validation.
SeverityUnknown
CVSS0.0
Exploit probability—
Product
Gitlab
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-350CWE-350
How to fix
Update
- gitlab gitlab18.11.6, 19.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 8.3.0 ≤ v < 18.11.6, 19.0.0 ≤ v < 19.0.3, 19.1.0 | 18.11.6, 19.0.3 |
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