CVE-2026-86091 ntopng before 6.7.260717 Missing Authorization on the Host Pool Bulk Delete Handler
Authenticated non-administrators can delete all host pools in ntopng, removing traffic policy bindings and bypassing security restrictions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-86091?
CVE-2026-86091 is a high-severity missing authorization vulnerability in ntopng, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ntopng before 6.7.260717 fails to check user privileges in the pools bulk-delete endpoint, allowing authenticated non-administrators to delete all host pools and member bindings. Attackers can issue POST requests to the delete pools endpoint to irreversibly destroy every host pool, removing traffic policy bindings and visibility restrictions that may bypass security policies.
Weakness: CWE-862
Which versions are affected by CVE-2026-86091?
How do I fix CVE-2026-86091?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86091 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86091 exists.
Sources
Also known as AZL-99693, GHSA-x89w-3wg2-6mvv, UBUNTU-CVE-2026-86091.