{"id":"CVE-2026-79781","revision":"b362f8c8553c488d9680a6239dde4888","records":[{"revision":"b362f8c8553c488d9680a6239dde4888","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-79781","aliases":[],"title":"rclone serve s3 Path Traversal via dot-dot object keys","description":"rclone serve s3 before 1.74.4 contains a path traversal vulnerability that allows attackers to read and overwrite root-level files by using dot-dot segments in S3 object keys. Attackers can send requests with object keys like ../root-secret.txt to escape the bucket namespace and access files in the serve root directory.","state":0,"publishedAt":"2026-08-25T15:16:10.471+00:00","modifiedAt":"2026-08-25T17:29:20.262+00:00","affected":[{"ecosystem":"Vendor product","name":"rclone","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"rclone\",\n                    \"product\": \"rclone\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/rclone/rclone\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.74.4\"\n                        },\n                        {\n                            \"version\": \"1.74.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/rclone/rclone/security/advisories/GHSA-8v25-v8p6-qf7v","https://www.vulncheck.com/advisories/rclone-serve-s3-path-traversal-via-dot-dot-object-keys"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-79781","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-79781","identifiers":["CVE-2026-79781"]},"retained":false,"historicalAffected":[]}],"coverage":[]}