---
id: CVE-2026-108582
title: >-
  GenOffice through 0.11.505 contains an incorrect permissions vulnerability in
  its HTTP MCP server file store that allows local unprivileged users to read
  uploaded and generated documents
summary: >-
  GenOffice through 0.11.505 contains an incorrect permissions vulnerability in
  its HTTP MCP server file store that allows local unprivileged users to read
  uploaded and generated documents. Attackers can list the world-readable
  genoffice-m…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-732
published: '2026-10-10'
updated: '2026-10-10'
sourceUpdated: '2026-10-10T16:16:31.520'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108582'
references:
  - url: >-
      https://github.com/genspark-ai/genoffice/blob/v0.11.505/packages/cli/src/mcp/files.ts#L70-L90
    label: disclosure@vulncheck.com
  - url: 'https://github.com/genspark-ai/genoffice/releases/tag/v0.11.505'
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@haind/genoffice-http-mcp-temp-file-disclosure'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/genoffice-through-0.11.505-insecure-permissions-in-http-mcp-server-file-store
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-10T16:27:15.749Z'
---

## Overview

GenOffice through 0.11.505 contains an incorrect permissions vulnerability in its HTTP MCP server file store that allows local unprivileged users to read uploaded and generated documents. Attackers can list the world-readable genoffice-mcp-http directory under the system temporary directory to read client uploads and converted outputs, bypassing the HTTP bearer token.

## Remediation

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