FUXA Unauthenticated Remote Code Execution via Arbitrary File Write in Upload API

{
  "id": "6d924d1d1f1fa9c0358480915ce0ff3892178d07ef2db0d9275b2c1d14ad5db7",
  "url": "https://osv.dev/vulnerability/CVE-2026-25895",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FUXA Unauthenticated Remote Code Execution via Arbitrary File Write in Upload API",
    "summary": "FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. A path traversal vulnerability in FUXA allows an unauthenticated, remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This affects FUXA through version 1.2.9. This issue has been patched in FUXA version 1.2.10.",
    "evidence": "osv:CVE-2026-25895",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-25895",
      "aliases": [
        "CVE-2026-25895",
        "GHSA-88qh-cphv-996c"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/frangoteam/fuxa",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b873cdf32a63bcfaa6de8b724781f63c6f977c69"
                },
                {
                  "fixed": "22c2192f5d9beef8a787c45eff3a14c24dbb5f96"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:frangoteam:fuxa:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.2.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "22c2192f5d9beef8a787c45eff3a14c24dbb5f96"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b873cdf32a63bcfaa6de8b724781f63c6f977c69"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.2.10"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.9",
            "v1.2.8",
            "v1.2.7",
            "v1.2.6",
            "v1.2.4",
            "untagged-fb3c7751ca725cb671dd",
            "v1.2.1",
            "v1.2.0",
            "v1.1.19",
            "v.1.1.18",
            "v1.1.17",
            "v1.1.16",
            "v1.1.15",
            "v1.1.14",
            "v1.1.13",
            "v1.1.12",
            "v1.1.11-3",
            "v1.1.11-2",
            "v1.1.11",
            "v1.1.10",
            "v1.1.9",
            "v1.1.8",
            "v1.1.7",
            "v1.1.6",
            "v1.1.5",
            "v1.1.4",
            "v1.1.3",
            "v1.1.2",
            "v1.1.01",
            "v1.0.11",
            "v1.0.10",
            "v1.0.9",
            "v1.0.8",
            "v1.0.7",
            "v1.0.6",
            "v1.0.5",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1_alfa",
            "v1.0.1",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25895.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:43.197570644Z",
      "provider": "osv",
      "references": [
        "https://github.com/frangoteam/FUXA/releases/tag/v1.2.10",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25895.json",
        "https://github.com/frangoteam/FUXA/security/advisories/GHSA-88qh-cphv-996c",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-25895",
        "https://github.com/frangoteam/FUXA/commit/22c2192f5d9beef8a787c45eff3a14c24dbb5f96"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22",
          "CWE-306"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25895.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-25895",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510789,
  "published_at": "2026-02-09T22:29:48.203+00:00"
}