uTox through 0.18.1 Path Traversal via Auto-Accepted File Transfers

{
  "id": "291cf8dddbaccac21714cf27671dfc8f2a67018f5c17cdb5e4efce190719badf",
  "url": "https://osv.dev/vulnerability/CVE-2026-113352",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "uTox through 0.18.1 Path Traversal via Auto-Accepted File Transfers",
    "summary": "uTox through 0.18.1 contains a path traversal vulnerability that allows Tox friends to write arbitrary files by sending absolute or ../ file names to victims with auto-accept enabled. Attackers can overwrite shell startup files or plant crafted .ftinfo resume records that ft_find_resumeable() loads, abusing FILE pointers to write /proc/self/mem and execute code.",
    "evidence": "osv:CVE-2026-113352",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-113352",
      "aliases": [
        "CVE-2026-113352"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/utox/utox",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4b014491560c884b556f082d4d34c5229228bbc5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.18.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.18.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.18.1",
            "v0.18.0",
            "v0.17.2",
            "v0.17.1",
            "v0.17.0",
            "v0.16.1",
            "v0.16.0",
            "v0.13.1",
            "v0.13.0",
            "v0.11.1",
            "v0.11.0",
            "v0.9.1",
            "v0.9.3",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.1",
            "v0.4.5",
            "v0.4.4develop",
            "v0.4.2",
            "v0.3.2",
            "v0.2.s",
            "v0.2.r",
            "v0.2.q",
            "v0.2.o",
            "v0.2.n",
            "v0.2.m",
            "v0.2.l",
            "v0.2.k"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-113352.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.139160434Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113352.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-113352",
        "https://www.vulncheck.com/advisories/utox-through-0.18.1-path-traversal-via-auto-accepted-file-transfers",
        "https://github.com/uTox/uTox/issues/1587",
        "https://github.com/uTox/uTox/pull/1602",
        "https://github.com/uTox/uTox/pull/1603",
        "https://github.com/uTox/uTox",
        "https://github.com/uTox/uTox/blob/4b014491560c884b556f082d4d34c5229228bbc5/src/file_transfers.c#L249-L290",
        "https://github.com/uTox/uTox/blob/4b014491560c884b556f082d4d34c5229228bbc5/src/xlib/filesys.c#L191-L214"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113352.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-113352",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495942,
  "published_at": "2026-10-20T10:41:38.136+00:00"
}