CVE-2026-34522 HIGH

CVE-2026-34522: SillyTavern: Path traversal in `/api/chats/import` allows arbitrary file write outside intended chat directory

Vendor Sillytavern
Product SillyTavern
Weakness CWE-22 · Path traversal
Published April 2, 2026
Last update April 2, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

What the vulnerability does

01Description

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 /api/chats/import allows an authenticated attacker to write attacker-controlled files outside the intended chats directory by injecting traversal sequences into character_name. This issue has been patched in version 1.17.0.

Key dates

02Disclosure timeline

April 2, 2026 CVE published
April 2, 2026 Record updated