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.
Advisories
No advisories yet.
Fixes
Solution
Upgrade to versions 18.11.6, 19.0.3, 19.1.1 or above.
Workaround
No workaround given by the vendor.
References
History
Thu, 25 Jun 2026 05:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab | |
| First Time appeared |
Gitlab
Gitlab gitlab |
|
| Weaknesses | CWE-350 | |
| CPEs | cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Gitlab
Gitlab gitlab |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitLab
Published:
Updated: 2026-06-25T04:33:34.156Z
Reserved: 2026-06-18T15:33:33.153Z
Link: CVE-2026-12635
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OpenCVE Enrichment
No data.
Weaknesses