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CVE-2026-46372— SillyTavern: SSRF in SearXNG Search Proxy via Unvalidated baseUrl

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 1.18.0之前版本存在安全漏洞，该漏洞源于/api/search/searxng端点接受攻击者控制的baseUrl并用于构建出站服务器端请求，可能导致经过身份验证的低权限用户将baseUrl指向内部或回环HTTP服务并接收/search响应体。

CVSS 8.5 · High EPSS 1.01% · P62

Public Exploits 1

Nuclei · 1 CVE-2026-46372.yaml [template]

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
SillyTavern SillyTavern < 1.18.0 affected
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I. Basic Information for CVE-2026-46372

Vulnerability Information
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Vulnerability Title
SillyTavern: SSRF in SearXNG Search Proxy via Unvalidated baseUrl
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. Prior to 1.18.0, SillyTavern exposes /api/search/searxng, which accepts attacker-controlled baseUrl and uses it directly to build outbound server-side fetches. An authenticated low-privilege user can point baseUrl at an internal or loopback HTTP service and receive the /search response body. This vulnerability is fixed in 1.18.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
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 1.18.0之前版本存在安全漏洞，该漏洞源于/api/search/searxng端点接受攻击者控制的baseUrl并用于构建出站服务器端请求，可能导致经过身份验证的低权限用户将baseUrl指向内部或回环HTTP服务并接收/search响应体。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SillyTavern SillyTavern < 1.18.0 -

II. Public POCs for CVE-2026-46372

# POC Description Source Link Shenlong Link
1 SillyTavern versions up to and including 1.17.0 expose the /api/search/searxng endpoint, which accepts an attacker-controlled baseUrl parameter and uses it directly to build outbound server-side fetch requests. An authenticated low-privilege user can point baseUrl at an internal or loopback HTTP service and receive the full response body, enabling read access to internal services, cloud metadata endpoints, and private network resources. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-46372.yaml POC Details
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III. Intelligence Information for CVE-2026-46372

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Other References for CVE-2026-46372 (1)

Same Patch Batch · SillyTavern · 2026-05-29 · 6 CVEs total

CVE-2026-44649 9.8 CRITICAL SillyTavern: Authentication Bypass via SSO Header Injection
CVE-2026-44650 9.1 CRITICAL SillyTavern: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'
CVE-2026-44648 7.5 HIGH SillyTavern: Existing sessions are not invalidated after password change, allowing session
CVE-2026-44651 SillyTavern: Reflected XSS vulnerability in the CORS proxy middleware
CVE-2026-44652 SillyTavern: SSRF vulnerability in the CORS proxy middleware

IV. Related Vulnerabilities

Same product: SillyTavern
Same vendor: SillyTavern
Same weakness: CWE-918

V. Comments for CVE-2026-46372

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