# CVE-2026-3848: Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab

> CVE-2026-3848: Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab. CVSS 5.0 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-3848
Last updated: 2026-06-17T10:44:20Z

- Published: 2026-03-11 15:37 UTC · Updated: 2026-06-17 10:44 UTC · Assigner: GitLab
- CVSS: 5.0 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- EPSS: 0.19%, 9th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-93

## 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.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-3848)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-3848)
- [https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/](https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/577298](https://gitlab.com/gitlab-org/gitlab/-/work_items/577298)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-3848 · Markdown: https://rewindex.com/cve/CVE-2026-3848.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-3848 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:06:18.156Z