{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103401", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-30T14:33:03.168Z", "datePublished": "2026-10-28T16:34:44.566Z", "dateUpdated": "2026-10-28T16:34:44.566Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Session Smart Router", "vendor": "Juniper Networks", "versions": [{"lessThan": "7.0.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "7.1.7", "status": "affected", "version": "7.1.0", "versionType": "custom"}, {"lessThan": "7.2.3", "status": "affected", "version": "7.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "Session Smart Conductor", "vendor": "Juniper Networks", "versions": [{"lessThan": "7.0.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "7.1.7", "status": "affected", "version": "7.1.0", "versionType": "custom"}, {"lessThan": "7.2.3", "status": "affected", "version": "7.2.0", "versionType": "custom"}]}], "datePublic": "2026-10-28T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor&nbsp;allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints.<br><br>This vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected.<br>"}], "value": "An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor\u00a0allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints.\n\nThis vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-28T16:34:44.566Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA112183"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases of Session Smart Router and Session Smart Conductor have been updated to resolve these specific issues:<br><ul><li>7.0.5 \n\nand all subsequent releases;</li><li>7.1.7 \n\nand all subsequent releases;</li><li>7.2.3 and all subsequent releases.</li></ul>\n\n<br>\n\n<br>"}], "value": "The following software releases of Session Smart Router and Session Smart Conductor have been updated to resolve these specific issues:\n * 7.0.5 \n\nand all subsequent releases;\n * 7.1.7 \n\nand all subsequent releases;\n * 7.2.3 and all subsequent releases."}], "source": {"advisory": "JSA112183", "defect": ["I95-65017"], "discovery": "INTERNAL"}, "title": "Session Smart Router and Session Smart Conductor: An attacker can overwrite arbitrary files as root", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There are no known workarounds for this issue."}], "value": "There are no known workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Session Smart Router", "vendor": "Juniper Networks", "versions": [{"lessThan": "7.0.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "7.1.7", "status": "affected", "version": "7.1.0", "versionType": "custom"}, {"lessThan": "7.2.3", "status": "affected", "version": "7.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "Session Smart Conductor", "vendor": "Juniper Networks", "versions": [{"lessThan": "7.0.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "7.1.7", "status": "affected", "version": "7.1.0", "versionType": "custom"}, {"lessThan": "7.2.3", "status": "affected", "version": "7.2.0", "versionType": "custom"}]}], "source": "sirt@juniper.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor\u00a0allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints.\n\nThis vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected."}], "id": "CVE-2026-103401", "lastModified": "2026-10-28T17:17:24.337", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "sirt@juniper.net", "type": "Primary"}]}, "published": "2026-10-28T17:17:24.070", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA112183"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "sirt@juniper.net", "type": "Primary"}]}

{}

{"created": "2026-10-28T17:30:15.429560+00:00", "updated": "2026-10-28T17:30:15.429567+00:00", "vendors": []}