CVE-2026-104584 Command injection in n/a
Attackers can execute arbitrary OS commands via the custom_headers field in reNgine's scan engine configuration.
- 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-2026-104584?
CVE-2026-104584 is a critical command injection vulnerability in n/a, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
reNgine up to v2.2.0 and current master branch (commit de4199222cca5618f1255930ce78987e47d43a99) is vulnerable to OS Command Injection via the custom_headers scan engine configuration field in web/reNgine/tasks.py (fetch_url and dir_file_fuzz functions).
Weakness: CWE-78
Which versions are affected by CVE-2026-104584?
How do I fix CVE-2026-104584?
No fix has been published for CVE-2026-104584 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-104584 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-104584 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-54m7-7mmj-vwxc.