PYSEC-2026-4108

Vulnerability from pysec - Published: 2026-10-01 16:38 - Updated: 2026-10-01 17:10
VLAI
Details

Impact

When reading a suitably crafted PRX or STX file, MPXJ can be made to write files to arbitrary locations in the file system.

Patches

This issue is addressed in MPXJ version 16.5.0.

Workarounds

Do not read PRX or STX files from untrusted sources.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Impacted products
Name purl
mpxj pkg:pypi/mpxj
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "mpxj",
        "purl": "pkg:pypi/mpxj"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "16.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.0.0",
        "10.0.1",
        "10.0.2",
        "10.0.3",
        "10.0.4",
        "10.0.5",
        "10.1.0",
        "10.10.0",
        "10.11.0",
        "10.12.0",
        "10.13.0",
        "10.14.0",
        "10.14.1",
        "10.15.0",
        "10.16.0",
        "10.16.1",
        "10.16.2",
        "10.2.0",
        "10.3.0",
        "10.4.0",
        "10.5.0",
        "10.6.0",
        "10.6.1",
        "10.6.2",
        "10.7.0",
        "10.8.0",
        "10.9.0",
        "10.9.1",
        "11.0.0",
        "11.1.0",
        "11.2.0",
        "11.3.0",
        "11.3.1",
        "11.3.2",
        "11.4.0",
        "11.5.0",
        "11.5.1",
        "11.5.2",
        "11.5.3",
        "11.5.4",
        "12.0.0",
        "12.0.1",
        "12.0.2",
        "12.1.1",
        "12.1.2",
        "12.1.3",
        "12.10.0",
        "12.10.1",
        "12.10.2",
        "12.10.3",
        "12.2.0",
        "12.3.0",
        "12.4.0",
        "12.5.0",
        "12.6.0",
        "12.7.0",
        "12.8.0",
        "12.8.1",
        "12.9.0",
        "12.9.1",
        "12.9.2",
        "12.9.3",
        "13.0.0",
        "13.0.1",
        "13.0.2",
        "13.1.0",
        "13.10.0",
        "13.11.0",
        "13.12.0",
        "13.2.0",
        "13.2.1",
        "13.3.0",
        "13.3.1",
        "13.4.0",
        "13.4.1",
        "13.4.2",
        "13.5.0",
        "13.5.1",
        "13.6.0",
        "13.7.0",
        "13.8.0",
        "13.9.0",
        "14.0.0",
        "14.1.0",
        "14.2.0",
        "14.3.0",
        "14.3.1",
        "14.3.2",
        "14.3.3",
        "14.3.4",
        "14.3.5",
        "14.4.0",
        "14.5.0",
        "14.5.1",
        "14.5.2",
        "15.0.0",
        "15.1.0",
        "15.2.0",
        "15.3.0",
        "15.3.1",
        "16.0.0",
        "16.1.0",
        "16.2.0",
        "16.3.0",
        "16.4.0",
        "16.4.1",
        "9.0.0",
        "9.1.0",
        "9.2.0",
        "9.2.1",
        "9.2.2",
        "9.2.3",
        "9.2.4",
        "9.2.5",
        "9.2.6",
        "9.3.0",
        "9.3.1",
        "9.4.0",
        "9.5.0",
        "9.5.1",
        "9.5.2",
        "9.6.0",
        "9.7.0",
        "9.8.0",
        "9.8.1",
        "9.8.2",
        "9.8.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-65829",
    "GHSA-7952-gx68-cjqr"
  ],
  "details": "### Impact\nWhen reading a suitably crafted PRX or STX file, MPXJ can be made to write files to arbitrary locations in the file system.\n\n### Patches\nThis issue is addressed in MPXJ version 16.5.0.\n\n### Workarounds\nDo not read PRX or STX files from untrusted sources.",
  "id": "PYSEC-2026-4108",
  "modified": "2026-10-01T17:10:32.537094Z",
  "published": "2026-10-01T16:38:34.692777Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/joniles/mpxj/security/advisories/GHSA-7952-gx68-cjqr"
    },
    {
      "type": "WEB",
      "url": "https://github.com/joniles/mpxj/commit/4347315afab1ef5a2907978a754fbc5b0ff58e6f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/joniles/mpxj"
    },
    {
      "type": "WEB",
      "url": "https://github.com/joniles/mpxj/releases/tag/v16.5.0"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/mpxj"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-7952-gx68-cjqr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65829"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "MPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers"
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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