CVE-2026-34522

HIGH

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

Title source: cna
STIX 2.1

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 /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.

Scores

CVSS v3 8.1
EPSS 0.0006
EPSS Percentile 20.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-22 CWE-73
Status published
Products (3)
npm/sillytavern 0 - 1.17.0npm
sillytavern/sillytavern < 1.17.0
SillyTavern/SillyTavern < 1.17.0
Published Apr 02, 2026
Tracked Since Apr 02, 2026