CVE-2026-34524: Sillytavern

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability in chat endpoints allows an authenticated attacker to read and delete arbitrary files under their user data root (for example secrets.json and settings.json) by supplying avatar_url="..". This issue has been patched in version 1.17.0.

Affected products

• Sillytavern Sillytavern: before 1.17.0 (fixed in 1.17.0)

Published 2026-04-02. Last modified 2026-07-24.