{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3749", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-03-07T20:23:08.679Z", "datePublished": "2026-03-08T16:02:14.273Z", "dateUpdated": "2026-03-08T16:02:14.273Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-08T16:02:14.273Z"}, "title": "Bytedesk SVG File UploadRestService.java handleFileUpload unrestricted upload", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-434", "lang": "en", "description": "Unrestricted Upload"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls"}]}], "affected": [{"vendor": "n/a", "product": "Bytedesk", "versions": [{"version": "1.3.0", "status": "affected"}, {"version": "1.3.1", "status": "affected"}, {"version": "1.3.2", "status": "affected"}, {"version": "1.3.3", "status": "affected"}, {"version": "1.3.4", "status": "affected"}, {"version": "1.3.5", "status": "affected"}, {"version": "1.3.6", "status": "affected"}, {"version": "1.3.7", "status": "affected"}, {"version": "1.3.8", "status": "affected"}, {"version": "1.3.9", "status": "affected"}, {"version": "1.4.5.1", "status": "unaffected"}], "modules": ["SVG File Handler"]}], "descriptions": [{"lang": "en", "value": "A weakness has been identified in Bytedesk up to 1.3.9. This vulnerability affects the function handleFileUpload of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestService.java of the component SVG File Handler. Executing a manipulation can lead to unrestricted upload. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.4.5.1 is able to resolve this issue. This patch is called 975e39e4dd527596987559f56c5f9f973f64eff7. It is recommended to upgrade the affected component."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-03-07T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-03-07T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-03-07T21:28:40.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "ZAST.AI (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.349727", "name": "VDB-349727 | Bytedesk SVG File UploadRestService.java handleFileUpload unrestricted upload", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.349727", "name": "VDB-349727 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.768030", "name": "Submit #768030 | Bytedesk <=1.3.9 Unrestricted Upload of File with Dangerous Type (CWE-434)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Bytedesk/bytedesk/issues/19", "tags": ["issue-tracking"]}, {"url": "https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845", "tags": ["issue-tracking"]}, {"url": "https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7", "tags": ["patch"]}, {"url": "https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1", "tags": ["patch"]}, {"url": "https://github.com/Bytedesk/bytedesk/", "tags": ["product"]}], "tags": ["x_open-source"]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in Bytedesk up to 1.3.9. This vulnerability affects the function handleFileUpload of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestService.java of the component SVG File Handler. Executing a manipulation can lead to unrestricted upload. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.4.5.1 is able to resolve this issue. This patch is called 975e39e4dd527596987559f56c5f9f973f64eff7. It is recommended to upgrade the affected component."}], "id": "CVE-2026-3749", "lastModified": "2026-03-09T13:35:07.393", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-03-08T16:16:02.260", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/"}, {"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7"}, {"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/issues/19"}, {"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676"}, {"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845"}, {"source": "cna@vuldb.com", "url": "https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.349727"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.349727"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.768030"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-434"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

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