---
id: CVE-2026-105314
title: >-
  Papermerge 3.5.3 allows remote code execution by a standard user via directory
  traversal in a /api/documents/upload call
summary: >-
  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
  inte…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-24
vendor: Papermerge
product: papermerge-core
affected:
  - papermerge-core 3.5.3
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T08:17:15.797'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105314'
references:
  - url: >-
      https://github.com/kashishtopi/cve-pocs/blob/main/papermerge-core-arbitrary-file-write-rce/HR-papermerge-core-path-traversal-rce.pdf
    label: cve@mitre.org
  - url: >-
      https://github.com/kashishtopi/cve-pocs/tree/main/papermerge-core-arbitrary-file-write-rce
    label: cve@mitre.org
  - url: >-
      https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/features/document/router.py
    label: cve@mitre.org
  - url: >-
      https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/pathlib.py
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-05T08:15:34.901Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.