CVE-2026-82412 ntopng: Remote Code Execution via OS Command Injection in Vulnerability-Scan REST API
Authenticated non-admin users or CSRF attacks can execute OS commands via the vulnerability-scan API in ntopng.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82412?
CVE-2026-82412 is a high-severity command injection vulnerability in ntopng, published on 21 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ntopng is a web-based network traffic monitoring application. Prior to 6.7.260717, the vulnerability-scan endpoints scripts/lua/rest/v2/add/host/to_scan.lua and scripts/lua/rest/v2/exec/host/schedule_vulnerability_scan.lua accept the scan_ports parameter without an administrator gate and pass it through validateSingleWord, which permits shell metacharacters. scripts/lua/modules/vulnerability_scan/vs_utils.lua then concatenates scan_ports into an nmap command in nmap_scan_host and executes the command through ntop.execCmd or ntop.execCmdAsync and popen. Any authenticated non-admin user can execute operating-system commands as the ntopng process account when nmap is available. Because the endpoints accept GET requests while ntopng's CSRF validation applies to POST request bodies, an attacker can also trigger the command through a logged-in user's browser without possessing ntopng credentials. This issue is fixed in version 6.7.260717.
Weakness: CWE-78
Which versions are affected by CVE-2026-82412?
How do I fix CVE-2026-82412?
No fix has been published for CVE-2026-82412 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-2026-82412 being exploited?
There is no known exploitation of CVE-2026-82412 in the wild and no public exploit code.
Sources
Also known as AZL-103398, GHSA-2c6p-4pfj-qv58, UBUNTU-CVE-2026-82412.