CVE-2026-45279

{"id": "CVE-2026-45279", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45279", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-02T12:50:41.800240Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 0.7}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"status": "affected", "version": ">= 31.0.0, < 31.0.14"}, {"status": "affected", "version": ">= 32.0.0, < 32.0.4"}]}]}], "published": "2026-06-01T19:16:49.980", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j33j-qph5-4wch", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/server/pull/57414/files", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://hackerone.com/reports/3468140", "tags": ["Permissions Required"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.14, and 32.0.0 to before 32.0.4, if {lang} is used in the template directory config value, non-admin users can in some cases copy arbitrary files (depending on unix permissions) into their own Nextcloud directory via a path traversal. It is recommended that the Nextcloud Server is upgraded to 32.0.4, 31.0.14. It is recommended that the Nextcloud Enterprise Server is upgraded to 32.0.4, 31.0.14, 30.0.17.7, 29.0.17.12, 28.0.14.15"}, {"lang": "es", "value": "Nextcloud es una plataforma de colaboraci\u00f3n de contenido de c\u00f3digo abierto. En Nextcloud Server desde las versiones 31.0.0 hasta antes de la 31.0.14, y 32.0.0 hasta antes de la 32.0.4, si se usa {lang} en el valor de configuraci\u00f3n del directorio de plantillas, los usuarios no administradores pueden en algunos casos copiar archivos arbitrarios (dependiendo de los permisos unix) en su propio directorio de Nextcloud a trav\u00e9s de un salto de ruta. Se recomienda que el Nextcloud Server se actualice a 32.0.4, 31.0.14. Se recomienda que el Nextcloud Enterprise Server se actualice a 32.0.4, 31.0.14, 30.0.17.7, 29.0.17.12, 28.0.14.15"}], "lastModified": "2026-07-22T07:10:00.107", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "7BB62148-4EB3-44D6-A11A-2D6581A0026C", "versionEndExcluding": "31.0.14", "versionStartIncluding": "31.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "A405D27F-8E95-45A5-9174-99E60586700C", "versionEndExcluding": "32.0.4", "versionStartIncluding": "32.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "74D4EB7C-A643-4B77-ABC8-E882F5A9A454", "versionEndExcluding": "28.0.14.15", "versionStartIncluding": "28.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9BB07BC2-B8A0-4E3B-AEFF-AFBA6FE3C7C0", "versionEndExcluding": "29.0.17.12", "versionStartIncluding": "29.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "63869F64-1B12-478D-B7E7-98EBE07FFD57", "versionEndExcluding": "30.0.17.7", "versionStartIncluding": "30.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "27783B45-4DFD-443E-98A9-6531E8AEE962", "versionEndExcluding": "31.0.14", "versionStartIncluding": "31.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "41E1AD78-E1DD-4C0F-A346-5E8C31C12766", "versionEndExcluding": "32.0.4", "versionStartIncluding": "32.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}