PYSEC-2026-1681

Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:24
VLAI
Details

Impact

The patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations.

Patches

The issue is addressed in MPXJ version 13.5.1

Workarounds

Do not pass zip files to MPXJ.

References

N/A

Credits

Issue report and patch provided by yyjLF and sprinkle

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA: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": "8.3.5"
            },
            {
              "fixed": "13.5.1"
            }
          ],
          "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",
        "13.2.0",
        "13.2.1",
        "13.3.0",
        "13.3.1",
        "13.4.0",
        "13.4.1",
        "13.4.2",
        "13.5.0",
        "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-2024-49771",
    "GHSA-j945-c44v-97g6"
  ],
  "details": "### Impact\nThe patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations.\n\n### Patches\nThe issue is addressed in MPXJ version 13.5.1\n\n### Workarounds\nDo not pass zip files to MPXJ.\n\n### References\nN/A\n\n### Credits\nIssue report and patch provided by yyjLF and sprinkle",
  "id": "PYSEC-2026-1681",
  "modified": "2026-07-07T17:24:46.658461Z",
  "published": "2026-07-07T14:34:43.523396Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/joniles/mpxj/security/advisories/GHSA-j945-c44v-97g6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49771"
    },
    {
      "type": "WEB",
      "url": "https://github.com/joniles/mpxj/commit/8002802890dfdc8bc74259f37e053e15b827eea0"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/joniles/mpxj"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/mpxj/CVE-2024-49771.yml"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/mpxj"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-j945-c44v-97g6"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MPXJ has a Potential Path Traversal Vulnerability"
}



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