Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save

{
  "id": "d680dbe21e6315275cff61af40f2ce759cbddd8db2c4f6fce09e0c1c318ba082",
  "url": "https://osv.dev/vulnerability/CVE-2026-34427",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save",
    "summary": "Vvveb prior to 1.0.8.1 contains a privilege escalation vulnerability in the admin user profile save endpoint that allows authenticated users to modify privileged fields on their own profile. Attackers can inject role_id=1 into profile save requests to escalate to Super Administrator privileges, enabling plugin upload functionality for remote code execution.",
    "evidence": "osv:CVE-2026-34427",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-34427",
      "aliases": [
        "CVE-2026-34427"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/givanz/vvveb",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "184ca3976f3b110b9b1942eddf4b5f3124fdcba1"
                },
                {
                  "fixed": "0eca14af50f038915b8bf7ceec2becf6b6720b0a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.8.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "184ca3976f3b110b9b1942eddf4b5f3124fdcba1"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "1.0.8.1"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0eca14af50f038915b8bf7ceec2becf6b6720b0a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.8",
            "1.0.7.3",
            "1.0.7.2",
            "1.0.7.1",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34427.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.797431048Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34427.json",
        "https://github.com/givanz/Vvveb/releases/tag/1.0.8.1",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34427",
        "https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-save",
        "https://github.com/givanz/Vvveb/commit/0eca14af50f038915b8bf7ceec2becf6b6720b0a",
        "https://github.com/givanz/Vvveb"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-915"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34427.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-34427",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495729,
  "published_at": "2026-04-20T13:55:15.311+00:00"
}