Vulnerability · Published Oct 13, 2026 · Assigned by mitre
CVE-2026-104584
Critical 9.8
In plain English
A critical-severity OS command injection in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
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).
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H