{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54477", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-06-22T15:47:37.782Z", "datePublished": "2026-07-02T23:52:49.505Z", "dateUpdated": "2026-07-02T23:52:49.505Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-07-02T23:52:49.505Z"}, "title": "Gardyn IoT Hub Improper Neutralization of HTTP Headers for Scripting Syntax", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-644", "description": "CWE-644", "type": "CWE"}]}], "affected": [{"vendor": "Gardyn", "product": "Gardyn Home Firmware", "versions": [{"status": "affected", "version": "0", "lessThan": "master.627", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Gardyn", "product": "Gardyn Studio Firmware", "versions": [{"status": "affected", "version": "0", "lessThan": "master.627", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Gardyn", "product": "Gardyn Cloud API", "versions": [{"status": "affected", "version": "0", "lessThan": "2.12.2026", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The admin panel lacks standard security headers, enabling clickjacking and cross-site scripting attacks.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>The admin panel lacks standard security headers, enabling clickjacking and cross-site scripting attacks.</span>"}]}], "references": [{"url": "https://mygardyn.com/security/"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-183-03"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-183-03.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "Gardyn requests that users ensure their devices have Internet connectivity in order to automatically download needed firmware updates. Unconnected devices will automatically update when configured with a working Internet connection. Gardyn also recommends that users update their mobile application to the most recent version. The current versions of the Gardyn App and the Gardyn Home firmware can be checked in the Gardyn App.\n\n\n\n\nFurther information on Gardyn security can be found here:\u00a0 https://mygardyn.com/security/ \n\n\n\n\nFurther customer support can be obtained from Gardyn at:\u00a0 support@mygardyn.com mailto:support@mygardyn.com", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Gardyn requests that users ensure their devices have Internet connectivity in order to automatically download needed firmware updates. Unconnected devices will automatically update when configured with a working Internet connection. Gardyn also recommends that users update their mobile application to the most recent version. The current versions of the Gardyn App and the Gardyn Home firmware can be checked in the Gardyn App.</p><p><br>Further information on Gardyn security can be found here:&nbsp;<a href=\"https://mygardyn.com/security/\">https://mygardyn.com/security/</a></p><p><br>Further customer support can be obtained from Gardyn at:&nbsp;<a href=\"mailto:support@mygardyn.com\">support@mygardyn.com</a></p>"}]}], "solutions": [{"lang": "en", "value": "Gardyn states that IoT Hub deployed infrastructure has been updated to fix the listed vulnerabilities.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>Gardyn states that IoT Hub deployed infrastructure has been updated to fix the listed vulnerabilities.</span>"}]}], "credits": [{"lang": "en", "value": "Michael Groberman reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-183-03", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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