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CVE-2026-3848

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

CVSS 5 MEDIUMEPSS 0.2%CWE-93
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Affected products
GitLab · GitLab

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References
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/577298