Vulnerability-Lookup

GHSA-5557-484J-55XW

Vulnerability from github – Published: 2026-10-05 09:31 – Updated: 2026-10-05 09:31

Details

Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter.

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-105314"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-24"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-05T08:17:15Z",
    "severity": "HIGH"
  },
  "details": "Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter.",
  "id": "GHSA-5557-484j-55xw",
  "modified": "2026-10-05T09:31:51Z",
  "published": "2026-10-05T09:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105314"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kashishtopi/cve-pocs/blob/main/papermerge-core-arbitrary-file-write-rce/HR-papermerge-core-path-traversal-rce.pdf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kashishtopi/cve-pocs/tree/main/papermerge-core-arbitrary-file-write-rce"
    },
    {
      "type": "WEB",
      "url": "https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/features/document/router.py"
    },
    {
      "type": "WEB",
      "url": "https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/pathlib.py"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-105314 (GCVE-0-2026-105314)

Vulnerability from cvelistv5 – Published: 2026-10-05 07:28 – Updated: 2026-10-05 07:28

Summary

Severity

7.5 (High)


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

CWE

CWE-24 - Path Traversal: '../filedir'

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
https://github.com/kashishtopi/cve-pocs/blob/main…	exploittechnical-description
https://github.com/papermerge/papermerge-core/blo…	technical-description
https://github.com/papermerge/papermerge-core/blo…	technical-description
https://github.com/kashishtopi/cve-pocs/tree/main…

Impacted products

1 product

Vendor	Product	Version
Papermerge	Papermerge	Affected: 3.5.3 (semver) cpe:2.3:a:papermerge:papermerge::::::::

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pypi.org",
          "defaultStatus": "unknown",
          "packageName": "papermerge-core",
          "packageURL": "pkg:pypi/papermerge-core",
          "product": "Papermerge",
          "programFiles": [
            "papermerge/core/features/document/router.py",
            "papermerge/core/pathlib.py",
            "papermerge/storage/backends/local.py"
          ],
          "programRoutines": [
            {
              "name": "upload_document"
            },
            {
              "name": "docver_path"
            },
            {
              "name": "LocalBackend.upload"
            }
          ],
          "repo": "https://github.com/papermerge/papermerge-core",
          "vendor": "Papermerge",
          "versions": [
            {
              "status": "affected",
              "version": "3.5.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:papermerge:papermerge:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "3.5.3",
                  "versionStartIncluding": "3.5.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-24",
              "description": "CWE-24 Path Traversal: \u0027../filedir\u0027",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-05T07:28:30.062Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "technical-description"
          ],
          "url": "https://github.com/kashishtopi/cve-pocs/blob/main/papermerge-core-arbitrary-file-write-rce/HR-papermerge-core-path-traversal-rce.pdf"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/features/document/router.py"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/pathlib.py"
        },
        {
          "url": "https://github.com/kashishtopi/cve-pocs/tree/main/papermerge-core-arbitrary-file-write-rce"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-105314",
    "datePublished": "2026-10-05T07:28:30.062Z",
    "dateReserved": "2026-10-05T07:28:29.666Z",
    "dateUpdated": "2026-10-05T07:28:30.062Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-5557-484J-55XW

CVE-2026-105314 (GCVE-0-2026-105314)

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Sightings

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