🔐 CVE Alert

CVE-2026-3848

MEDIUM 5.0

Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab

CVSS Score
5.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-93
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Mar 11, 2026
Last Updated Mar 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

GitLab / GitLab
8.11 < 18.7.6 18.8 < 18.8.6 18.9 < 18.9.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/577298 about.gitlab.com: https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/

Credits

Thanks [shelld3c](https://hackerone.com/shells3c) for reporting this vulnerability.