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CVE-2025-59159— SillyTavern Web Interface Vulnerable to DNS Rebinding

Quick assessment

Affected
SillyTavern SillyTavern
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SillyTavern是SillyTavern开源的一个大语言模型的前端界面。 SillyTavern 1.13.4之前版本存在安全漏洞，该漏洞源于容易受到DNS重绑定攻击，可能导致安装恶意扩展、读取聊天记录和注入任意HTML进行钓鱼攻击。

CVSS 9.7 · Critical EPSS 0.24% · P14
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I. Basic Information for CVE-2025-59159

Vulnerability Information
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Vulnerability Title
SillyTavern Web Interface Vulnerable to DNS Rebinding
Source: CVE Program / CVE List V5
Vulnerability 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. In versions prior to 1.13.4, the web user interface for SillyTavern is susceptible to DNS rebinding, allowing attackers to perform actions like install malicious extensions, read chats, inject arbitrary HTML for phishing attacks, etc. The vulnerability has been patched in the version 1.13.4 by introducing a server configuration setting that enables a validation of host names in inbound HTTP requests according to the provided list of allowed hosts: `hostWhitelist.enabled` in config.yaml file or `SILLYTAVERN_HOSTWHITELIST_ENABLED` environment variable. While the setting is disabled by default to honor a wide variety of existing user configurations and maintain backwards compatibility, existing and new users are encouraged to review their server configurations and apply necessary changes to their setup, especially if hosting over the local network while not using SSL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
SillyTavern 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SillyTavern是SillyTavern开源的一个大语言模型的前端界面。 SillyTavern 1.13.4之前版本存在安全漏洞，该漏洞源于容易受到DNS重绑定攻击，可能导致安装恶意扩展、读取聊天记录和注入任意HTML进行钓鱼攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SillyTavern SillyTavern < 1.13.4 -

II. Public POCs for CVE-2025-59159

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7426 chars
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III. Intelligence Information for CVE-2025-59159

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Vendor Advisories for CVE-2025-59159 (1)

IV. Related Vulnerabilities

Same product: SillyTavern
Same vendor: SillyTavern
Same weakness: CWE-346

V. Comments for CVE-2025-59159

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