{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:m2team:nanazip:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "5.0.1252.0"
              },
              {
                "fixed": "6.0.1630.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "401fa98a9aeaeef137d66303ccbb442366b46e51"
            },
            {
              "fixed": "b85cd620c0b36e8ceaa4d73f8bcd465fe79f27f4"
            }
          ],
          "repo": "https://github.com/m2team/nanazip",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-ccpc-2222-xv5c"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-126"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26282.json"
  },
  "details": "NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.",
  "id": "CVE-2026-26282",
  "modified": "2026-07-15T01:49:18.022548427Z",
  "published": "2026-02-19T20:41:49.223Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/25274143/poc.exe.zip"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26282.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26282"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "NanaZip has DotNet Single file OOB Heap Read"
}