CVE-2026-73158

{"id": "CVE-2026-73158", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73158", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-11T13:06:54.720752Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "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": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "affectedData": [{"repo": "https://github.com/MISP/cti-transmute", "vendor": "MISP", "product": "cti-transmute", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.4.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-11T09:17:14.763", "references": [{"url": "https://github.com/MISP/cti-transmute/commit/9b317587fa4ec11b6f72c2d1d8b98a686537b4fb", "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Affected versions of cti-transmute insufficiently validate saved graph configuration data. Graph configurations can contain style properties that are later consumed by Pivotick, and Pivotick interprets svgIcon as HTML. Because saved configurations may be created by one user and later displayed to other users\u2014including administrators\u2014a malicious user could store a crafted svgIcon value that executes script in another viewer\u2019s browser.\n\n\nThe fix introduces a strict configuration schema on both the server and client. Only known properties are accepted, style entries are limited to shape, color, and size, and dangerous properties such as svgIcon and iconClass are explicitly rejected. Existing stored configurations are also sanitized when listed and again before being applied in the browser."}, {"lang": "es", "value": "Las versiones afectadas de cti-transmute validan de forma insuficiente los datos de configuraci\u00f3n de gr\u00e1ficos guardados. Las configuraciones de gr\u00e1ficos pueden contener propiedades de estilo que son posteriormente consumidas por Pivotick, y Pivotick interpreta svgIcon como HTML. Debido a que las configuraciones guardadas pueden ser creadas por un usuario y posteriormente mostradas a otros usuarios -incluidos los administradores-, un usuario malintencionado podr\u00eda almacenar un valor svgIcon manipulado que ejecuta un script en el navegador de otro visor.\n\nLa soluci\u00f3n introduce un esquema de configuraci\u00f3n estricto tanto en el servidor como en el cliente. Solo se aceptan propiedades conocidas, las entradas de estilo se limitan a forma, color y tama\u00f1o, y las propiedades peligrosas como svgIcon e iconClass son expl\u00edcitamente rechazadas. Las configuraciones almacenadas existentes tambi\u00e9n se sanean cuando se listan y de nuevo antes de ser aplicadas en el navegador."}], "lastModified": "2026-10-24T15:10:00.190", "sourceIdentifier": "5a6e4751-2f3f-4070-9419-94fb35b644e8"}