CVE-2026-47194: Frappe: Host header poisoning can redirect magic login links to an attacker-controlled domain
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Frappeto a version that resolves this vulnerability.Fixed in 15.108.0 - Upgrade
Upgrade
Frappeto a version that resolves this vulnerability.Fixed in 16.18.3
Event History
Frequently Asked Questions
What is the severity of CVE-2026-47194?
The severity of CVE-2026-47194 is rated at 65 on the risk scale.
How do I fix CVE-2026-47194?
To fix CVE-2026-47194, upgrade Frappe to version 15.108.0 or 16.18.3 or later.
What does CVE-2026-47194 exploit?
CVE-2026-47194 exploits the ability to manipulate the Host header in requests to redirect magic login links.
Who is affected by CVE-2026-47194?
Any user or administrator utilizing Frappe versions prior to 15.108.0 and 16.18.3 is affected by CVE-2026-47194.
What is the potential impact of CVE-2026-47194?
The potential impact of CVE-2026-47194 includes unauthorized access to user accounts through captured login tokens.