CVE-2025-54374 Eidos: One-click Remote Code Execution through Custom URL Handling
Attackers can achieve remote code execution by tricking users into visiting a website with a malicious custom URL scheme.
- 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-2025-54374?
CVE-2025-54374 is a high-severity code injection vulnerability in mayneyao eidos, published on 3 Oct 2025. 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
Eidos is an extensible framework for Personal Data Management. Versions 0.21.0 and below contain a one-click remote code execution vulnerability. An attacker can exploit this vulnerability by embedding a specially crafted eidos: URL on any website, including a malicious one they control. When a victim visits such a site or clicks on the link, the browser triggers the app’s custom URL handler (eidos:), causing the Eidos application to launch and process the URL, leading to remote code execution on the victim’s machine. This issue does not have a fix as of October 3, 2025
Weakness: CWE-94
Which versions are affected by CVE-2025-54374?
It affects 1 product.
Products include Mayneyao Eidos.
How do I fix CVE-2025-54374?
No fix has been published for CVE-2025-54374 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-54374 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54374 exists.
Sources
Also known as GHSA-qhhm-56qp-xr2r.