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CVE-2026-47194— Frappe: Host header poisoning can redirect magic login links to an attacker-controlled domain

Quick assessment

Affected
frappe frappe
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.

Frappe是印度Frappe公司开源的一款构建业务应用的开发框架。 Frappe 15.108.0之前版本和16.18.3之前版本存在输入验证错误漏洞，该漏洞源于临时魔法登录链接生成使用了攻击者控制的请求Host标头，可能导致远程攻击者使邮件登录链接指向攻击者控制的域名并捕获登录令牌。

CVSS 8.6 · High EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1566.001 · Spearphishing Attachment

Affected Version Matrix 2

VendorProduct Version RangeStatus
frappe frappe >= 16.0.0-beta.1, < 16.18.3 affected
< 15.108.0 affected
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I. Basic Information for CVE-2026-47194

Vulnerability Information
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Vulnerability Title
Frappe: Host header poisoning can redirect magic login links to an attacker-controlled domain
Source: CVE Program / CVE List V5
Vulnerability Description
Frappe is a full-stack web application framework. Prior to 15.108.0 and 16.18.3, temporary magic login link generation can use an attacker-controlled request Host header, allowing a remote attacker to cause emailed login links to point to an attacker-controlled domain and capture the login token when a recipient follows the link. This issue is fixed in versions 15.108.0 and 16.18.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Frappe 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frappe是印度Frappe公司开源的一款构建业务应用的开发框架。 Frappe 15.108.0之前版本和16.18.3之前版本存在输入验证错误漏洞，该漏洞源于临时魔法登录链接生成使用了攻击者控制的请求Host标头，可能导致远程攻击者使邮件登录链接指向攻击者控制的域名并捕获登录令牌。
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
frappe frappe >= 16.0.0-beta.1, < 16.18.3 -

II. Public POCs for CVE-2026-47194

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7862 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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POC zip download
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III. Intelligence Information for CVE-2026-47194

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Vendor Advisories for CVE-2026-47194 (1)

Same Patch Batch · frappe · 2026-08-06 · 4 CVEs total

CVE-2026-47765 7.1 HIGH Frappe: Lack of Permissions in restore/bulk_restore
CVE-2026-47185 5.1 MEDIUM Frappe Has Broken Access Control in its Workspace Save API
CVE-2026-49391 5.1 MEDIUM Frappe: Stored XSS in Column Headers via Data Import

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-47194

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