CVE-2026-27509

{"id": "CVE-2026-27509", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27509", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-02-27T17:53:39.495825Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "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": "disclosure@vulncheck.com", "affectedData": [{"vendor": "UnitreeRobotics", "product": "Unitree Go2", "versions": [{"status": "affected", "version": "1.1.7", "versionType": "semver", "lessThanOrEqual": "1.1.9"}, {"status": "affected", "version": "1.1.11", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-02-26T20:31:38.447", "references": [{"url": "https://boschko.ca/unitree-go2-rce/", "tags": ["Exploit", "Third Party Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://shop.unitree.com/products/unitree-go2", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/unitree-go2-missing-dds-authentication-enables-adjacent-rce", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "Unitree Go2 firmware versions V1.1.7 through V1.1.9, and V1.1.11 (EDU) do not implement DDS authentication or authorization for the Eclipse CycloneDDS topic rt/api/programming_actuator/request handled by actuator_manager.py. A network-adjacent, unauthenticated attacker can join DDS domain 0 and publish a crafted message (api_id=1002) containing arbitrary Python, which the robot writes to disk under /unitree/etc/programming/ and binds to a physical controller keybinding. When the keybinding is pressed, the code executes as root and the binding persists across reboots."}, {"lang": "es", "value": "Las versiones de firmware de Unitree Go2 V1.1.7 a V1.1.9 y V1.1.11 (EDU) no implementan autenticaci\u00f3n ni autorizaci\u00f3n DDS para el tema de Eclipse CycloneDDS rt/api/programming_actuator/request gestionado por actuator_manager.py. Un atacante adyacente a la red y no autenticado puede unirse al dominio DDS 0 y publicar un mensaje manipulado (api_id=1002) que contiene Python arbitrario, el cual el robot escribe en el disco bajo /unitree/etc/programming/ y lo vincula a una asignaci\u00f3n de teclas de un controlador f\u00edsico. Cuando se pulsa la asignaci\u00f3n de teclas, el c\u00f3digo se ejecuta como root y la vinculaci\u00f3n persiste a trav\u00e9s de los reinicios."}], "lastModified": "2026-06-17T10:27:16.610", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:unitree:go2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2736E1DA-AA06-4AEE-8EEC-4731BF3A4AB6", "versionEndIncluding": "1.1.9", "versionStartIncluding": "1.1.7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:unitree:go2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "372BB5C0-26D8-4E99-A63E-F4FB2D0A50C2"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:unitree:go2_edu_firmware:1.1.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5D56F44-88E0-4091-AC92-CEB384C5F86C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:unitree:go2_edu:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5D8501EA-2CCC-4615-92FD-A3C46A71FEAE"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "disclosure@vulncheck.com"}