Nexus Repository 3 - Stored Cross-Site Scripting (XSS) via Blob Store Name

{
  "id": "9649de0fd7a05bb8ed25cc9138b05c35463f7f2a08087db24edb17a770c69053",
  "url": "https://osv.dev/vulnerability/CVE-2026-17596",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nexus Repository 3 - Stored Cross-Site Scripting (XSS) via Blob Store Name",
    "summary": "Nexus Repository 3 was found to be vulnerable to stored cross-site scripting (XSS). A user with the nexus:blobstores:create or nexus:blobstores:update permission could set a blob store name containing malicious script content, which would later execute in the browser of another user viewing system health-check status. This issue has been fixed in version 3.95.0.",
    "evidence": "osv:CVE-2026-17596",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-17596",
      "aliases": [
        "CVE-2026-17596"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sonatype/nexus-public",
              "type": "GIT",
              "events": [
                {
                  "introduced": "42c0b12433b2e17bb4245018116b2350c82a2fc1"
                },
                {
                  "fixed": "e1778b02409c1d89a2ac005f44280a23c30520d5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.16.0"
                      },
                      {
                        "fixed": "3.95.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-17596.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.807640539Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17596.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-17596",
        "https://support.sonatype.com/hc/en-us/articles/53871280401555/",
        "https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "Sonatype",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.16.0"
                  },
                  {
                    "fixed": "3.95.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17596.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-17596",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491578,
  "published_at": "2026-08-07T16:07:42.955+00:00"
}