CVE-2026-35487 text-generation-webui has a Path Traversal in load_prompt() — .txt file read without authentication
Unauthenticated attackers can read arbitrary .txt files from the server filesystem via path traversal in the load_prompt function.
- 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-2026-35487?
CVE-2026-35487 is a medium-severity path traversal vulnerability in oobabooga text-generation-webui, published on 7 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, an unauthenticated path traversal vulnerability in load_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response. This vulnerability is fixed in 4.3.
Weakness: CWE-22
Which versions are affected by CVE-2026-35487?
It affects 1 product.
Products include Oobabooga Text Generation Web Ui.
How do I fix CVE-2026-35487?
No fix has been published for CVE-2026-35487 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-2026-35487 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35487 exists.
Other vulnerabilities in oobabooga text-generation-webui
Sources
Also known as GHSA-mfgg-vvc6-vqq7.