CVE-2026-28384

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This issue affected LXD from 4.12 through 6.6 and was fixed in the snap versions 5.0.6-e49d9f4 (channel 5.0/stable), 5.21.4-1374f39 (channel 5.21/stable), and 6.7-1f11451 (channel 6.0 stable). The channel 4.0/stable is not affected as it contains version 4.0.10."}, {"lang": "es", "value": "Una sanitizaci\u00f3n inadecuada del par\u00e1metro compression_algorithm en Canonical LXD permite a un usuario autenticado y sin privilegios ejecutar comandos como el demonio LXD en el servidor LXD a trav\u00e9s de llamadas a la API a los puntos finales de imagen y copia de seguridad. Este problema afect\u00f3 a LXD desde la versi\u00f3n 4.12 hasta la 6.6 y fue solucionado en las versiones snap 5.0.6-e49d9f4 (canal 5.0/stable), 5.21.4-1374f39 (canal 5.21/stable) y 6.7-1f11451 (canal 6.0 stable). El canal 4.0/stable no est\u00e1 afectado ya que contiene la versi\u00f3n 4.0.10."}], "id": "CVE-2026-28384", "lastModified": "2026-09-18T14:08:53.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@ubuntu.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28384", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-13T16:30:00.719316Z", "version": "2.0.3"}}]}, "published": "2026-03-12T15:16:27.247", "references": [{"source": "security@ubuntu.com", "tags": ["Issue Tracking", "Exploit", "Vendor Advisory"], "url": "https://discourse.ubuntu.com/t/lxd-authenticated-remote-code-execution-fixes-available/78365"}, {"source": "security@ubuntu.com", "tags": ["Patch"], "url": "https://github.com/canonical/lxd/commit/043696a13171ace7dd4c2b32d34ce039ab629052"}, {"source": "security@ubuntu.com", "tags": ["Patch"], "url": "https://github.com/canonical/lxd/commit/7046979645c2ce1b63b2f9e60ddf6cbc4c4b78f9"}, {"source": "security@ubuntu.com", "tags": ["Patch"], "url": "https://github.com/canonical/lxd/commit/b7b411caf5c4971bfe2386c72128f44d7e2aaf4f"}, {"source": "security@ubuntu.com", "tags": ["Vendor Advisory", "Exploit"], "url": "https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Vendor Advisory", "Exploit"], "url": "https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security@ubuntu.com", "type": "Secondary"}]}

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