CVE-2026-34523

Medium

Description

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 the static file route handler allows any unauthenticated user to determine whether files exist anywhere on the server's filesystem. by sending percent-encoded "../" sequences (%2E%2E%2F) in requests to static file routes, an attacker can check for the existence of files. This issue has been patched in version 1.17.0.

SeverityMedium
CVSS5.3
Exploit probability—
ProductSillytavern
PublishedApr 2, 2026
First seenApr 2, 2026

How to fix

Update
  • sillytavern sillytavern1.17.0 or later
  • sillytavern1.17.0 or later

Affected products

ProductAffected versionsFixed in
sillytavern sillytavernv < 1.17.01.17.0
sillytavernnpmv < 1.17.01.17.0

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