CVE-2026-47194 Frappe: Host header poisoning can redirect magic login links to an attacker-controlled domain
Attackers can poison the Host header to redirect magic login links to their domain, capturing tokens and potentially taking over user accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-47194?
CVE-2026-47194 is a high-severity vulnerability in frappe, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-346
Which versions are affected by CVE-2026-47194?
How do I fix CVE-2026-47194?
No fix has been published for CVE-2026-47194 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-47194 being exploited?
There is no known exploitation of CVE-2026-47194 in the wild and no public exploit code.
Sources
Also known as GHSA-3w78-3cj3-p949.