CVE-2026-93547

{"id": "CVE-2026-93547", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93547", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-30T14:25:51.477902Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "security@vaadin.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security@vaadin.com", "affectedData": [{"repo": "https://github.com/vaadin/platform", "vendor": "vaadin", "product": "vaadin", "versions": [{"status": "affected", "version": "23.1.0", "lessThan": "23.6.14", "versionType": "maven"}, {"status": "affected", "version": "24.0.0", "lessThan": "24.9.22", "versionType": "maven"}, {"status": "affected", "version": "24.10.0", "lessThan": "24.10.10", "versionType": "maven"}, {"status": "affected", "version": "25.0.0", "lessThan": "25.1.12", "versionType": "maven"}, {"status": "affected", "version": "25.2.0", "lessThan": "25.2.7", "versionType": "maven"}], "packageName": "com.vaadin:vaadin", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}, {"repo": "https://github.com/vaadin/flow-components", "vendor": "vaadin", "product": "vaadin-spreadsheet-flow", "versions": [{"status": "affected", "version": "23.1.0", "lessThan": "23.6.14", "versionType": "maven"}, {"status": "affected", "version": "24.0.0", "lessThan": "24.9.22", "versionType": "maven"}, {"status": "affected", "version": "24.10.0", "lessThan": "24.10.10", "versionType": "maven"}, {"status": "affected", "version": "25.0.0", "lessThan": "25.1.12", "versionType": "maven"}, {"status": "affected", "version": "25.2.0", "lessThan": "25.2.7", "versionType": "maven"}], "packageName": "com.vaadin:vaadin-spreadsheet-flow", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}, {"repo": "https://github.com/vaadin/spreadsheet", "vendor": "vaadin", "product": "vaadin-spreadsheet", "versions": [{"status": "affected", "version": "2.0.0", "lessThan": "3.1.1", "versionType": "maven"}], "packageName": "com.vaadin:vaadin-spreadsheet", "collectionURL": "https://maven.vaadin.com/vaadin-addons", "defaultStatus": "unaffected"}]}], "published": "2026-09-30T14:17:34.997", "references": [{"url": "https://github.com/vaadin/flow-components/pull/9905", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/flow-components/pull/9907", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/flow-components/pull/9908", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/flow-components/pull/9909", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/flow-components/pull/9910", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/flow-components/pull/9956", "source": "security@vaadin.com"}, {"url": "https://github.com/vaadin/spreadsheet/pull/866", "source": "security@vaadin.com"}, {"url": "https://vaadin.com/security/cve-2026-93547", "source": "security@vaadin.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@vaadin.com", "description": [{"lang": "en", "value": "CWE-285"}]}], "descriptions": [{"lang": "en", "value": "A missing authorization check in the Vaadin Spreadsheet component allows an authenticated user of an application that renders a spreadsheet to add or replace cell comments on a sheet that has protection enabled, including on cells that are locked. Writing a comment to a cell that does not exist yet also creates the row and the cell.\n\n\nUsers of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:\n\nProduct version\nVaadin 23.1.0 - 23.6.13\nVaadin 24.0.0 - 24.9.21\nVaadin 24.10.0 - 24.10.9\nVaadin 25.0.0 - 25.1.11\nVaadin 25.2.0 - 25.2.6\nVaadin Framework 7 and 8 with the Spreadsheet add-on 2.0.0 - 3.1.0\n\nMitigation\nUpgrade to 23.6.14\nUpgrade to 24.9.22\nUpgrade to 24.10.10\nUpgrade to 25.1.12\nUpgrade to 25.2.7 or newer\nUpgrade the Spreadsheet add-on to 3.1.1\n\nPlease note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 23, 24, 25 version.\n\nArtifacts\nMaven coordinates Vulnerable versions Fixed version\ncom.vaadin:vaadin 23.1.0 - 23.6.13 >=23.6.14\ncom.vaadin:vaadin 24.0.0 - 24.9.21 >=24.9.22\ncom.vaadin:vaadin 24.10.0 - 24.10.9 >=24.10.10\ncom.vaadin:vaadin 25.0.0 - 25.1.11 >=25.1.12\ncom.vaadin:vaadin 25.2.0 - 25.2.6 >=25.2.7\ncom.vaadin:vaadin-spreadsheet-flow 23.1.0 - 23.6.13 >=23.6.14\ncom.vaadin:vaadin-spreadsheet-flow 24.0.0 - 24.9.21 >=24.9.22\ncom.vaadin:vaadin-spreadsheet-flow 24.10.0 - 24.10.9 >=24.10.10\ncom.vaadin:vaadin-spreadsheet-flow 25.0.0 - 25.1.11 >=25.1.12\ncom.vaadin:vaadin-spreadsheet-flow 25.2.0 - 25.2.6 >=25.2.7\ncom.vaadin:vaadin-spreadsheet 2.0.0 - 3.1.0 >=3.1.1"}], "lastModified": "2026-09-30T16:38:20.847", "sourceIdentifier": "security@vaadin.com"}