Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-35485

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_grammar() allows reading any file on the server filesystem with no extension restriction. Gradio does not server-side validate dropdown values, so an attacker can POST directory traversal payloads (e.g., ../../../etc/passwd) via the API and receive the full file contents in the response. This vulnerability is fixed in 4.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-35485


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