CVE-2026-44650

CriticalCVSS 9.1/10Last modified Jul 22, 2026

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 1.18.0, POST /api/extensions/delete endpoint accepts extensionName: "." which bypasses sanitize-filename validation, causing the entire user extensions directory to be recursively deleted. No authentication is required in the default configuration. This vulnerability is fixed in 1.18.0.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
SillyTavern	SillyTavern	< 1.18.0

References

Timeline

Published: May 29, 2026
Last modified: Jul 22, 2026
NVD status: Deferred

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