EUVD-2026-19667
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
3Tags
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_preset() allows reading any .yaml file on the server filesystem. The parsed YAML key-value pairs (including passwords, API keys, connection strings) are returned in the API response. This vulnerability is fixed in 4.3.
Analysis
Unauthenticated path traversal in text-generation-webui prior to version 4.3 allows remote attackers to read arbitrary YAML files from the server filesystem via the load_preset() function, exposing sensitive credentials such as passwords, API keys, and connection strings in API responses. The vulnerability requires only network access with no authentication, user interaction, or special configuration, making it a practical attack vector despite the moderate CVSS score of 5.3.
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