Advisoriesby IbisGitLabCVE-2026-3855
GitLab: denial of service
Fix: upgrade to 19.1.8 or later (3 fixed versions below)
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 18.2.7, < 19.1.8 | 19.1.8 |
| >= 19.2, < 19.2.6 | 19.2.6 | |
| >= 19.3, < 19.3.2 | 19.3.2 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-99