Vulnerability-Lookup

PYSEC-2026-3001

Vulnerability from pysec - Published: 2026-07-13 14:36 - Updated: 2026-07-13 16:05

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

Impacted products

Name	purl
pymupdf	pkg:pypi/pymupdf

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pymupdf",
        "purl": "pkg:pypi/pymupdf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.26.5"
            },
            {
              "fixed": "1.26.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.26.5",
        "1.26.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-3029",
    "GHSA-cxqh-p2w9-fmr7"
  ],
  "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": "PYSEC-2026-3001",
  "modified": "2026-07-13T16:05:55.422790Z",
  "published": "2026-07-13T14:36:43.974708Z",
  "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"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/pymupdf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-cxqh-p2w9-fmr7"
    }
  ],
  "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: 2026-06-30 12:08

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

8.2 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

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

Assigner

certcc

References

6 references

URL	Tags
http://github.com/pymupdf/PyMuPDF
http://github.com/pymupdf/PyMuPDF/commit/603cafe3…
https://www.kb.cert.org/vuls/id/504749
https://access.redhat.com/security/cve/CVE-2026-3029	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2449054	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

2 products

Vendor	Product	Version
Artifex Software Inc. PyMuPDF	PyMuPDF	Affected: 1.26.5 , < 1.26.7 (custom)
Red Hat	Red Hat Enterprise Linux AI (RHEL AI) 3	cpe:/a:redhat:enterprise_linux_ai:3

Show details on NVD website

JSON

To clipboard

{
  "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"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux_ai:3"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
            "vendor": "Red Hat"
          }
        ],
        "datePublic": "2026-03-19T15:53:38.778Z",
        "descriptions": [
          {
            "lang": "en",
            "value": "A flaw was found in PyMuPDF. This vulnerability, involving path traversal, allows an attacker to write arbitrary files to unintended locations on the system. The flaw is present in the embedded `get` function within the `_main_.py` file. Successful exploitation could lead to system compromise or data corruption."
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "namespace": "https://access.redhat.com/security/updates/classification/",
                "value": "Important"
              },
              "type": "Red Hat severity rating"
            }
          },
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 8.2,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
              "version": "3.1"
            },
            "format": "CVSS"
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-22",
                "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-30T12:08:20.435Z",
          "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "shortName": "redhat-SADP"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2026-3029"
          },
          {
            "name": "RHBZ#2449054",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449054"
          },
          {
            "tags": [
              "x_sadp-csaf-vex"
            ],
            "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3029.json"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-03-19T16:02:03.012Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-03-19T15:53:38.778Z",
            "value": "Made public."
          }
        ],
        "title": "PyMuPDF: PyMuPDF: Arbitrary file write via path traversal vulnerability",
        "workarounds": [
          {
            "lang": "en",
            "value": "To mitigate this issue, ensure that applications utilizing PyMuPDF, especially those processing untrusted documents, are run within a sandboxed environment with strict limitations on file system write access. Additionally, validate and sanitize all input paths before they are processed by PyMuPDF\u0027s `get` function to prevent path traversal."
          }
        ],
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "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": "2026-06-30T12:08:20.435Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

Show details on source website

JSON

To clipboard

{
  "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"
}

Sightings

Author	Source	Type	Date	Other

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

PYSEC-2026-3001

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

GHSA-CXQH-P2W9-FMR7

Tags

Sightings

Nomenclature