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Medium · 5.3 CVE-2026-34523 EUVD-2026-18440GHSA-525j-2hrj-m8fp

SillyTavern: Path traversal allows file existence oracle

Published Apr 2, 2026 · Updated Apr 3, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
SillyTavern SillyTavern < 1.17.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm sillytavern < 1.17.0 1.17.0 GHSA-525j-2hrj-m8fp

References