CVE-2026-27947

{"id": "CVE-2026-27947", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27947", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-03T20:24:24.671913Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "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-advisories@github.com", "affectedData": [{"vendor": "Intermesh", "product": "groupoffice", "versions": [{"status": "affected", "version": ">= 26.0.0, < 26.0.9"}, {"status": "affected", "version": ">= 25.0.0, < 25.0.87"}, {"status": "affected", "version": "< 6.8.154"}]}]}], "published": "2026-02-27T20:21:40.513", "references": [{"url": "https://github.com/Intermesh/groupoffice/security/advisories/GHSA-2rwh-9qp7-f92x", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-88"}, {"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "Group-Office is an enterprise customer relationship management and groupware tool. Versions prior to 26.0.9, 25.0.87, and 6.8.154 have an authenticated Remote Code Execution vulnerability in the TNEF attachment processing flow. The vulnerable path extracts attacker-controlled files from `winmail.dat` and then invokes `zip` with a shell wildcard (`*`). Because extracted filenames are attacker-controlled, they can be interpreted as `zip` options and lead to arbitrary command execution. Versions 26.0.9, 25.0.87, and 6.8.154 fix the issue."}, {"lang": "es", "value": "Group-Office es una herramienta empresarial de gesti\u00f3n de relaciones con clientes y groupware. Las versiones anteriores a 26.0.9, 25.0.87 y 6.8.154 tienen una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo autenticada en el flujo de procesamiento de adjuntos TNEF. La ruta vulnerable extrae archivos controlados por el atacante de 'winmail.dat' y luego invoca 'zip' con un comod\u00edn de shell ('*'). Debido a que los nombres de archivo extra\u00eddos son controlados por el atacante, pueden ser interpretados como opciones de 'zip' y conducir a la ejecuci\u00f3n de comandos arbitrarios. Las versiones 26.0.9, 25.0.87 y 6.8.154 solucionan el problema."}], "lastModified": "2026-06-17T10:27:57.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7884A40-14BE-4D43-BAF3-12175EEB863D", "versionEndExcluding": "6.8.154"}, {"criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0895EF8-BAFE-41A6-90CE-EFAFBCE273D5", "versionEndExcluding": "25.0.87", "versionStartIncluding": "25.0.1"}, {"criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8DFBE230-B5B4-4163-B441-E9D0446D05DA", "versionEndExcluding": "26.0.9", "versionStartIncluding": "26.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}