---
id: CVE-2026-109205
title: >-
  LogicalDOC Community Edition through 9.3 contains an unauthenticated file
  upload vulnerability in the UploadServlet that allows remote attackers to
  write files to disk without a session
summary: >-
  LogicalDOC Community Edition through 9.3 contains an unauthenticated file
  upload vulnerability in the UploadServlet that allows remote attackers to
  write files to disk without a session. Attackers can repeatedly send multipart
  requests w…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
published: '2026-10-12'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T14:17:11.277'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109205'
references:
  - url: 'https://github.com/logicaldoc/community'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/logicaldoc/community/blob/9.3/logicaldoc-webapp/src/main/java/com/logicaldoc/web/UploadServlet.java#L128
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/logicaldoc/community/commit/90b7ebea5330feab94aff5ef0573362f3e52a1cc
    label: disclosure@vulncheck.com
  - url: 'https://github.com/logicaldoc/community/discussions/119'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/logicaldoc-community-edition-through-9.3-unauthenticated-upload-disk-exhaustion-via-uploadservlet
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-12T14:50:34.120Z'
---

## Overview

LogicalDOC Community Edition through 9.3 contains an unauthenticated file upload vulnerability in the UploadServlet that allows remote attackers to write files to disk without a session. Attackers can repeatedly send multipart requests with unlimited file parts to /upload, persisting files in uncleaned temporary directories and exhausting server disk space.

## Remediation

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