Security advisory

{
  "id": "ab967a583ed4fd33b8f9c647dc74a5a46727f63cd9646f857148f2150079e39f",
  "url": "https://osv.dev/vulnerability/CVE-2020-6833",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-6833",
    "summary": "An issue was discovered in GitLab EE 11.3 and later. A GitLab Workhorse bypass could lead to package and file disclosure via request smuggling.",
    "evidence": "osv:CVE-2020-6833",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-6833",
      "aliases": [
        "BIT-gitlab-2020-6833",
        "CVE-2020-6833"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1bbe39452664021af90851aef8527ce5e850343e"
                },
                {
                  "fixed": "c688d3b92d4adf25470122b2039fedbc197e999f"
                },
                {
                  "introduced": "11ac4a9aa216b39b2880f8a647f39f6ea77cef1a"
                },
                {
                  "fixed": "a7d3d18d42094f1e3269f72e0d98ab2dd73c7301"
                },
                {
                  "introduced": "be1bc01779908ad5782482bda16222caab3bf4dd"
                },
                {
                  "fixed": "01de3ec7de14489f8873389b5d843feb7e0bb191"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "11.3.0"
                      },
                      {
                        "fixed": "12.5.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.6.0"
                      },
                      {
                        "fixed": "12.6.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.7.2"
                      },
                      {
                        "fixed": "12.7.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v12.7.2-ee",
            "v12.6.3-ee",
            "v12.6.1-ee",
            "v12.6.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6833.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:58.738555319Z",
      "provider": "osv",
      "references": [
        "https://about.gitlab.com/blog/categories/releases/",
        "https://about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-6833",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435904,
  "published_at": "2020-02-05T17:15:10.597+00:00"
}