CVE-2026-3848
Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab
5.0
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to make unintended internal requests through proxy environments under certain conditions due to improper input validation in import functionality.
How to fix CVE-2026-3848
To remediate CVE-2026-3848, upgrade the affected package to a fixed version below.
- —upgrade to 18.7.6 or later
Is CVE-2026-3848 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 8.11.0, < 18.7.6, >= 18.8.0, < 18.8.6, >= 18.9.0, < 18.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |