# CVE-2026-85688

## Summary

- **CVE ID:** CVE-2026-85688
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-306
- **Published:** Sep 4, 2026
- **Last Modified:** Sep 14, 2026

## Description

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.

## Affected Products

- TEN-framework — ten-framework (0)

## References

- [CNA](https://github.com/TEN-framework/ten-framework/issues/2187)
- [CNA](https://github.com/TEN-framework/ten-framework)
- [CNA](https://github.com/TEN-framework/ten-framework/blob/0.11.71/core/src/ten_manager/src/designer/file_content/mod.rs)
- [CNA](https://www.vulncheck.com/advisories/ten-framework-0.11.71-unauthenticated-file-read-write-via-tman-designer)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 34.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._