{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33387","assignerOrgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","state":"PUBLISHED","assignerShortName":"Nozomi","dateReserved":"2026-03-19T11:28:43.171Z","datePublished":"2026-09-08T13:50:31.846Z","dateUpdated":"2026-09-08T14:19:01.400Z"},"containers":{"cna":{"providerMetadata":{"orgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","shortName":"Nozomi","dateUpdated":"2026-09-08T13:50:31.846Z"},"title":"Insufficient sanitization of Dashboards in Guardian/CMC before 26.3.0","datePublic":"2026-09-08T07:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-1336","description":"CWE-1336 Improper neutralization of special elements used in a template engine","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-242","descriptions":[{"lang":"en","value":"CAPEC-242 Code Injection"}]}],"affected":[{"vendor":"Nozomi Networks","product":"Guardian","versions":[{"status":"affected","version":"0","lessThan":"26.3.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Nozomi Networks","product":"CMC","versions":[{"status":"affected","version":"0","lessThan":"26.3.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"26.3.0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"26.3.0"}]}]}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"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."}]}],"references":[{"url":"https://security.nozominetworks.com/NN-2026:16-01"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseSeverity":"MEDIUM","baseScore":4.6,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L"}}],"workarounds":[{"lang":"en","value":"Use internal firewall features to limit access to the web management interface.","supportingMedia":[{"type":"text/html","base64":false,"value":"Use internal firewall features to limit access to the web management interface.<br>"}]},{"lang":"en","value":"Review all accounts with access to it and delete unnecessary ones.","supportingMedia":[{"type":"text/html","base64":false,"value":"Review all accounts with access to it and delete unnecessary ones.<br>"}]},{"lang":"en","value":"Additionally, review existing dashboards for malicious content.","supportingMedia":[{"type":"text/html","base64":false,"value":"Additionally, review existing dashboards for malicious content.<br>"}]}],"solutions":[{"lang":"en","value":"Upgrade to v26.3.0 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade to v26.3.0 or later.<br>"}]}],"credits":[{"lang":"en","value":"This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.","type":"finder"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T14:18:53.457796Z","id":"CVE-2026-33387","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-08T14:19:01.400Z"}}]}}