CVE-2026-33391: Nozomi Networks Cmc

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

An access control vulnerability was discovered in the Smart Polling configuration functionality due to insufficient validation of user privileges. An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. This allows the attacker to disrupt the visibility of assets in the monitored network.

Affected products

• Nozomi Networks Cmc: before 26.3.0 (fixed in 26.3.0)
• Nozomi Networks Guardian: before 26.3.0 (fixed in 26.3.0)

Published 2026-09-08. Last modified 2026-09-08.