CVE-2026-11346— Server-Side Request Forgery (SSRF) allowing Internal Network Probing in linqi
Possible ATT&CK Techniques 2AI
T1046 · Network Service Discovery T1590.003 · Network Trust DependenciesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| linqi GmbH | linqi | < 1.4.8.6 | affected |
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I. Basic Information for CVE-2026-11346
Vulnerability Information
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Vulnerability Title
Server-Side Request Forgery (SSRF) allowing Internal Network Probing in linqi
Source: CVE Program / CVE List V5
Vulnerability Description
A Server-Side Request Forgery (SSRF) vulnerability in the custom process creation feature of linqi allows an authenticated attacker to probe internal network components. By crafting a specific process containing an HTTP Request component, an attacker can force the server to send arbitrary HTTP requests. By observing the varying application responses (Success, Failed, or 504 Gateway Time-out), the attacker can determine the status of internal ports, leading to internal network reconnaissance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA: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
Linqi 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linqi是德国Linqi公司的一款结合真人语言交流与AI反馈的英语口语练习平台。 Linqi存在安全漏洞，该漏洞源于自定义进程创建功能存在服务端请求伪造漏洞，导致经过身份验证的攻击者探测内部网络组件。
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 |
|---|---|---|---|---|
| linqi GmbH | linqi | 0 ~ 1.4.8.6 | - |
II. Public POCs for CVE-2026-11346
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-11346 (1)
- 🔗 Security Advisories | linqi GmbH Documentationvendor-advisory
Same Patch Batch · linqi GmbH · 2026-06-05 · 4 CVEs total
| CVE-2026-11345 | Improper Authentication Bypass in linqi CDN File Access | |
| CVE-2026-11369 | IDOR in Comment API Allows Cross-Process Comment Read and Write | |
| CVE-2026-11347 | Hardcoded Cryptographic Keys and Weak IV Generation in linqi |
IV. Related Vulnerabilities
Same weakness: CWE-918
- CVE-2026-65985
FUXA: SSRF hardening for `device-webapi-request` - CVE-2026-47719
FUXA: Unauthenticated SSRF via Socket.IO DEVICE_WEBAPI_REQUE - CVE-2026-70666
Lemur: Server-Side Request Forgery via the ACME client follo - CVE-2026-71303
Lemur: Incomplete fix for CVE-2026-55166 -- ACME authority u - CVE-2026-55162
Lemur: Post-authentication SSRF via certificate verification
V. Comments for CVE-2026-11346
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