CVE-2026-63306— stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
Possible ATT&CK Techniques 3AI
T1210 · Exploitation of Remote Services T1046 · Network Service Discovery T1590 · Gather Victim Network InformationGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-63306
Vulnerability Information
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Vulnerability Title
stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolution filtering or private IP range validation. Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/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
Stoat Backend 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Stoat Stoat Backend是Stoat社区的一个后端服务软件。 Stoat Backend 0.13.5之前版本存在服务端请求伪造漏洞，该漏洞源于/proxy和/embed端点接受任意URL，且未进行DNS解析过滤或私有IP范围验证，可能导致未经身份验证的攻击者利用恶意URL或重定向链枚举内部服务、指纹识别应用并访问实例元数据端点。
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
II. Public POCs for CVE-2026-63306
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7923 chars
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III. Intelligence Information for CVE-2026-63306
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Vendor Advisories for CVE-2026-63306 (2)
Same Patch Batch · stoatchat · 2026-07-16 · 5 CVEs total
| CVE-2026-63088 | 8.6 HIGH | stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass |
| CVE-2024-58360 | 6.5 MEDIUM | stoatchat before 0.7.8 Unrestricted Account Creation |
| CVE-2025-71377 | stoatchat before 20250210-1 Unrestricted Message History Fetch | |
| CVE-2025-71388 | stoatchat 20241213-1 Webhook Token Disclosure via Read Permissions |
IV. Related Vulnerabilities
Same product: stoatchat
Same vendor: stoatchat
- CVE-2026-57848
Stoat for Android Internal File Disclosure via Exported Shar - CVE-2026-63088
stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass - CVE-2024-58360
stoatchat before 0.7.8 Unrestricted Account Creation - CVE-2025-71377
stoatchat before 20250210-1 Unrestricted Message History Fet - CVE-2025-71388
stoatchat 20241213-1 Webhook Token Disclosure via Read Permi
Same weakness: CWE-918
- CVE-2026-19770
feedmob fm-mcp-servers Download Endpoint index.ts downloadRe - CVE-2026-19765
eyaushev swagger-testcase-mcp fetch_swagger swagger-parser.t - CVE-2026-19753
Model Context Protocol mcp-rdf-explorer MCP Server server.py - CVE-2026-19752
EnzoVezzaro mcp-dominican-layer PDF Parsing index.ts parse-p - CVE-2026-72855
Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and RE
V. Comments for CVE-2026-63306
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