{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88016", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-09T19:19:27.407Z", "datePublished": "2026-09-10T15:53:39.550Z", "dateUpdated": "2026-09-10T15:53:39.550Z"}, "containers": {"cna": {"title": "rclone: Directory metadata (chmod/chown/chtimes) applied through a planted symlink in rclone local --links escapes the destination", "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-281", "lang": "en", "description": "CWE-281: Improper Preservation of Permissions", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/rclone/rclone/security/advisories/GHSA-f8g7-2xjc-7mfh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/rclone/rclone/security/advisories/GHSA-f8g7-2xjc-7mfh"}, {"name": "https://github.com/rclone/rclone/commit/17b0c03338a857bcb0a68d2d4c82ddbdec3f7893", "tags": ["x_refsource_MISC"], "url": "https://github.com/rclone/rclone/commit/17b0c03338a857bcb0a68d2d4c82ddbdec3f7893"}, {"name": "https://github.com/rclone/rclone/commit/a7ab39d3d1958afa1446982c1dc4e4a73a887e3e", "tags": ["x_refsource_MISC"], "url": "https://github.com/rclone/rclone/commit/a7ab39d3d1958afa1446982c1dc4e4a73a887e3e"}, {"name": "https://github.com/rclone/rclone/releases/tag/v1.75.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/rclone/rclone/releases/tag/v1.75.1"}], "affected": [{"vendor": "rclone", "product": "rclone", "versions": [{"version": "< 1.75.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-10T15:53:39.550Z"}, "descriptions": [{"lang": "en", "value": "rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, when backend/local runs with --links, a source .rclonelink object can plant a symlink in the destination and later directory metadata is applied through that path. MkdirMetadata, writeMetadataToFile, and setTimes operate when Directory.translatedLink=false, so os.Chown, os.Chmod, os.Chtimes, and birth-time handling can bypass os.Root confinement and follow the symlink. An attacker controlling source contents can therefore apply selected ownership, permissions, modification times, or birth times to a file or directory outside the destination, with --metadata required for chmod and chown while modification time is applied by the normal directory workflow. This issue is fixed in version 1.75.1."}], "source": {"advisory": "GHSA-f8g7-2xjc-7mfh", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "rclone", "vendor": "rclone", "versions": [{"status": "affected", "version": "< 1.75.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, when backend/local runs with --links, a source .rclonelink object can plant a symlink in the destination and later directory metadata is applied through that path. MkdirMetadata, writeMetadataToFile, and setTimes operate when Directory.translatedLink=false, so os.Chown, os.Chmod, os.Chtimes, and birth-time handling can bypass os.Root confinement and follow the symlink. An attacker controlling source contents can therefore apply selected ownership, permissions, modification times, or birth times to a file or directory outside the destination, with --metadata required for chmod and chown while modification time is applied by the normal directory workflow. This issue is fixed in version 1.75.1."}], "id": "CVE-2026-88016", "lastModified": "2026-09-10T16:18:08.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.3, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-10T16:18:08.637", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rclone/rclone/commit/17b0c03338a857bcb0a68d2d4c82ddbdec3f7893"}, {"source": "security-advisories@github.com", "url": "https://github.com/rclone/rclone/commit/a7ab39d3d1958afa1446982c1dc4e4a73a887e3e"}, {"source": "security-advisories@github.com", "url": "https://github.com/rclone/rclone/releases/tag/v1.75.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/rclone/rclone/security/advisories/GHSA-f8g7-2xjc-7mfh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}, {"lang": "en", "value": "CWE-281"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}