CVE-2025-52574 SysmonElixir path traversal in /read endpoint allows arbitrary file read
An attacker can read arbitrary files from the server via the /read endpoint in SysmonElixir, exposing sensitive data like /etc/passwd.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-52574?
CVE-2025-52574 is a high-severity path traversal vulnerability in bocaletto-luca elixir-system-monitor, published on 24 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SysmonElixir is a system monitor HTTP service in Elixir. Prior to version 1.0.1, the /read endpoint reads any file from the server's /etc/passwd by default. In v1.0.1, a whitelist was added that limits reading to only files under priv/data. This issue has been patched in version 1.0.1.
Weakness: CWE-22
Which versions are affected by CVE-2025-52574?
How do I fix CVE-2025-52574?
No fix has been published for CVE-2025-52574 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-52574 being exploited?
There is no known exploitation of CVE-2025-52574 in the wild and no public exploit code.
Sources
Also known as GHSA-9vj4-rv7q-36qj.