CVE-2026-34524
High
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 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.
SeverityHigh
CVSS8.3
Exploit probability—
ProductSillytavern
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- sillytavern sillytavern1.17.0 or later
- sillytavern1.17.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sillytavern sillytavern | v < 1.17.0 | 1.17.0 |
| sillytavernnpm | v < 1.17.0 | 1.17.0 |
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