{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-13684", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2026-06-29T10:42:15.926Z", "datePublished": "2026-09-18T08:19:14.016Z", "dateUpdated": "2026-09-18T19:14:16.588Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "affected", "product": "DiskStation Manager (DSM)", "vendor": "Synology", "versions": [ { "lessThan": "7.4-90075", "status": "affected", "version": "7.4", "versionType": "semver" }, { "lessThan": "7.3.2-86009-4", "status": "affected", "version": "7.3.2", "versionType": "semver" }, { "lessThan": "7.2.2-72806-9", "status": "affected", "version": "7.2.2", "versionType": "semver" }, { "lessThan": "7.2.1-69057-12", "status": "affected", "version": "7.2.1", "versionType": "semver" }, { "lessThan": "7.2.1", "status": "unknown", "version": "0", "versionType": "semver" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Lam Jun Rong (https://jro.sg)" } ], "descriptions": [ { "lang": "en", "value": "An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-116", "description": "Improper Encoding or Escaping of Output", "lang": "en", "type": "CWE" } ] } ], "references": [ { "name": "Synology-SA-26:13 DSM", "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_13" } ], "providerMetadata": { "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-09-18T08:19:14.016Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-18T19:14:05.659717Z", "id": "CVE-2026-13684", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T19:14:16.588Z" } } ] } }