Vulnerability-Lookup

GHSA-CXQH-P2W9-FMR7

Vulnerability from github – Published: 2026-03-19 18:31 – Updated: 2026-03-19 19:37

Summary

PyMuPDF has a path traversal in _main_.py

Details

A path traversal and arbitrary file write vulnerability exist in the embedded get function in 'main.py' in PyMuPDF version, 1.26.5.

Severity ?

6.9 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "PyMuPDF"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.26.5"
            },
            {
              "fixed": "1.26.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-3029"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-19T19:37:53Z",
    "nvd_published_at": "2026-03-19T16:16:04Z",
    "severity": "MODERATE"
  },
  "details": "A path traversal and arbitrary file write vulnerability exist in the embedded get function in \u0027_main_.py\u0027 in PyMuPDF version, 1.26.5.",
  "id": "GHSA-cxqh-p2w9-fmr7",
  "modified": "2026-03-19T19:37:53Z",
  "published": "2026-03-19T18:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3029"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pymupdf/PyMuPDF"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/504749"
    },
    {
      "type": "WEB",
      "url": "http://github.com/pymupdf/PyMuPDF"
    },
    {
      "type": "WEB",
      "url": "http://github.com/pymupdf/PyMuPDF/commit/603cafe38a183b8bab34f16d05043b4185d8d40a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PyMuPDF has a path traversal in _main_.py"
}

CVE-2026-3029 (GCVE-0-2026-3029)

Vulnerability from cvelistv5 – Published: 2026-03-19 15:53 – Updated: 2026-03-24 01:35

Title

CVE-2026-3029

Summary

A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

certcc

References

URL

Tags

	http://github.com/pymupdf/PyMuPDF
	http://github.com/pymupdf/PyMuPDF/commit/603cafe3…

Impacted products

	Vendor	Product	Version
	Artifex Software Inc. PyMuPDF	PyMuPDF	Affected: 1.26.5 , < 1.26.7 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-03-19T16:21:32.940Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/504749"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3029",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-24T01:34:12.421332Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-24T01:35:10.611Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PyMuPDF",
          "vendor": "Artifex Software Inc. *PyMuPDF*",
          "versions": [
            {
              "lessThan": "1.26.7",
              "status": "affected",
              "version": "1.26.5",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A path traversal and arbitrary file write vulnerability exist in the embedded get function in \u0027_main_.py\u0027 in PyMuPDF version, 1.26.5."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-19T15:53:38.778Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "http://github.com/pymupdf/PyMuPDF"
        },
        {
          "url": "http://github.com/pymupdf/PyMuPDF/commit/603cafe38a183b8bab34f16d05043b4185d8d40a"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-3029",
      "x_generator": {
        "engine": "VINCE 3.0.34",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-3029"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-3029",
    "datePublished": "2026-03-19T15:53:38.778Z",
    "dateReserved": "2026-02-23T14:10:15.439Z",
    "dateUpdated": "2026-03-24T01:35:10.611Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CXQH-P2W9-FMR7

CVE-2026-3029 (GCVE-0-2026-3029)

Tags

Sightings

Nomenclature