Security advisory

{
  "id": "e42d05f19741ebb74ffe75685af711de930ea7f83cf9a5497a1cadd408d390ad",
  "url": "https://osv.dev/vulnerability/CVE-2023-0155",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-0155",
    "summary": "An issue has been discovered in GitLab CE/EE affecting all versions before 15.8.5, 15.9.4, 15.10.1. Open redirects was possible due to framing arbitrary content on any page allowing user controlled markdown",
    "evidence": "osv:CVE-2023-0155",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-0155",
      "aliases": [
        "BIT-gitlab-2023-0155",
        "CVE-2023-0155"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "bbf6efd2bedaef0d5c2112998a2a34534cc740bb"
                },
                {
                  "fixed": "b46679ba4f4f80f63501a36d605e4691090384f4"
                },
                {
                  "introduced": "1d89c23c9f904e710e6e4ebdbc5bdd39cbb83717"
                },
                {
                  "fixed": "901fa64918978ff660504cbc5cbb154c069b7160"
                },
                {
                  "introduced": "b107c0bae0871a67dee31ad8e52550d32c4afb66"
                },
                {
                  "fixed": "36dd7c9b36a66d9dec664a8a0925818c13fc33c8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "15.7"
                      },
                      {
                        "fixed": "15.8.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "15.8"
                      },
                      {
                        "fixed": "15.9.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "15.9"
                      },
                      {
                        "fixed": "15.10.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v15.8.3-ee",
            "v15.9.0-ee",
            "v15.9.3-ee",
            "v15.9.1-ee",
            "v15.8.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0155.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.028977164Z",
      "provider": "osv",
      "references": [
        "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0155.json",
        "https://hackerone.com/reports/1817250",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0155.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-0155",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/387638"
      ],
      "provider_metadata": {
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0155.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-0155",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506563,
  "published_at": "2023-05-03T00:00:00+00:00"
}