{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "8.11.0"
              },
              {
                "fixed": "18.7.6"
              },
              {
                "introduced": "18.8.0"
              },
              {
                "fixed": "18.8.6"
              },
              {
                "introduced": "18.9.0"
              },
              {
                "fixed": "18.9.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "12dd0f62012c6df8bd67abc2d9c5c54bd82366f7"
            },
            {
              "fixed": "4ff507582a71b3fee0ef5a34e7ab583281391758"
            },
            {
              "introduced": "1010a9b2b769993080ce8399fd25e77c54e1ad1c"
            },
            {
              "fixed": "5831acc89ce4c662f751bb062d1df3bcf2b8cb4e"
            },
            {
              "introduced": "20fe49b575fedd2b8cadc2c0640178879854aeb3"
            },
            {
              "fixed": "fcb80522240b3ea1821ac6c2d52b00159bcda5a6"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GitLab",
    "cwe_ids": [
      "CWE-93"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3848.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.11"
          },
          {
            "fixed": "18.7.6"
          },
          {
            "introduced": "18.8"
          },
          {
            "fixed": "18.8.6"
          },
          {
            "introduced": "18.9"
          },
          {
            "fixed": "18.9.2"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "8.11"
          },
          {
            "fixed": "18.7.6"
          },
          {
            "introduced": "18.8"
          },
          {
            "fixed": "18.8.6"
          },
          {
            "introduced": "18.9"
          },
          {
            "fixed": "18.9.2"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "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.",
  "id": "CVE-2026-3848",
  "modified": "2026-08-27T11:31:10.669143970Z",
  "published": "2026-03-11T15:37:11.894Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/577298"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3848.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3848"
    },
    {
      "type": "PACKAGE",
      "url": "git://git@gitlab.com:gitlab-org/gitlab.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab"
}