Nexus Repository 3 - Authorization Bypass in Component Upload API

{
  "id": "8ce7ae52a91462653e4f8fd78cef2b6b32dee7356fe0590a5b6dd2d777ab627c",
  "url": "https://osv.dev/vulnerability/CVE-2026-14504",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nexus Repository 3 - Authorization Bypass in Component Upload API",
    "summary": "An authorization bypass in Nexus Repository 3's component upload API allowed a user with only read/browse privileges on a Swift, Terraform, or Conda hosted repository to upload arbitrary artifacts, bypassing the intended write-permission check.",
    "evidence": "osv:CVE-2026-14504",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-14504",
      "aliases": [
        "CVE-2026-14504"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sonatype/nexus-public",
              "type": "GIT",
              "events": [
                {
                  "introduced": "37e6dc891b93ede21b9ba3381cf32cb4c75d157c"
                },
                {
                  "fixed": "f6db9af8631634d91699dee660fc7b3116e6e0ee"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.88.0"
                      },
                      {
                        "fixed": "3.94.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release-3.93.2-01",
            "release-3.93.1-04",
            "release-3.93.0-06",
            "release-3.92.3-01",
            "release-3.92.2-01",
            "release-3.92.1-05",
            "release-3.91.1-04",
            "release-3.91.0-07",
            "release-3.90.0-21",
            "release-3.89.1-02",
            "release-3.89.0-09",
            "release-3.88.0-08"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14504.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.945766019Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14504.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-14504",
        "https://support.sonatype.com/hc/en-us/articles/53137654741907",
        "https://help.sonatype.com/en/sonatype-nexus-repository-3-94-0-release-notes.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "Sonatype",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.88.0"
                  },
                  {
                    "fixed": "3.94.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14504.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-14504",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 520907,
  "published_at": "2026-07-14T15:55:04.951+00:00"
}