CVE-2026-33387
Insufficient sanitization of Dashboards in Guardian/CMC before 26.3.0
CVSS Score
4.6
EPSS Score
0.0%
EPSS Percentile
0th
A template injection vulnerability was discovered in the Dashboards functionality due to improper validation of an input parameter. An authenticated user with the required privileges can define a dashboard containing a malicious payload, or a victim can be socially engineered into importing a malicious dashboard. When the victim views or imports the dashboard, the payload executes in their browser context, allowing the attacker to modify application data or disrupt application availability.
| CWE | CWE-1336 |
| Vendor | nozomi networks |
| Product | guardian |
| Published | Sep 8, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected Versions
Nozomi Networks / Guardian
0 < 26.3.0
Nozomi Networks / CMC
0 < 26.3.0
References
Credits
This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.