---
id: CVE-2026-85688
title: >-
  TEN Framework 0.11.71 contains unauthenticated arbitrary file read and write
  vulnerabilities in the TMAN Designer file-content API endpoints
summary: >-
  TEN Framework 0.11.71 contains unauthenticated arbitrary file read and write
  vulnerabilities in the TMAN Designer file-content API endpoints. Attackers can
  submit POST and PUT requests to the /api/designer/v1/file-content endpoints to
  re…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-306
vendor: TEN-framework
product: ten-framework
affected:
  - ten-framework <= 0.11.71
published: '2026-09-04'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T20:43:32.537'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85688'
references:
  - url: 'https://github.com/TEN-framework/ten-framework'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/TEN-framework/ten-framework/blob/0.11.71/core/src/ten_manager/src/designer/file_content/mod.rs
    label: disclosure@vulncheck.com
  - url: 'https://github.com/TEN-framework/ten-framework/issues/2187'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ten-framework-0.11.71-unauthenticated-file-read-write-via-tman-designer
    label: disclosure@vulncheck.com
tags:
  - nvd
  - exploit-available
  - cve.org
epss: 0.02641
epssPercentile: 0.84965
exploits:
  nuclei:
    - CVE-2026-85688
  checkedAt: '2026-09-26T09:06:03.212Z'
exploitAvailable: true
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-14T19:20:47.458529Z'
ingestedAt: '2026-09-14T20:14:21.165Z'
---

## Overview

TEN Framework 0.11.71 contains unauthenticated arbitrary file read and write vulnerabilities in the TMAN Designer file-content API endpoints. Attackers can submit POST and PUT requests to the /api/designer/v1/file-content endpoints to read arbitrary files or write malicious content to system paths, enabling code execution through authorized_keys, cron files, or executable graph files.

## Remediation

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