CVE-2026-85688 TEN Framework 0.11.71 Unauthenticated File Read/Write via TMAN Designer
Unauthenticated attackers can read or write arbitrary files via TMAN Designer API, leading to code execution through system file manipulation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85688?
CVE-2026-85688 is a critical path traversal vulnerability in ten-framework, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-85688?
How do I fix CVE-2026-85688?
No fix has been published for CVE-2026-85688 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-85688 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85688 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-32p3-43gv-3r2m.