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CVE-2026-35485

7.5 high SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · oobaboogaNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:oobabooga:textgen:*:*:*:*:*:*:*:*

References 2