{"id":"BIT-rclone-2026-79781","summary":"rclone serve s3 Path Traversal via dot-dot object keys","details":"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.","aliases":["CVE-2026-79781","GHSA-8v25-v8p6-qf7v","GO-2026-6189"],"modified":"2026-09-25T14:25:41.325941753Z","published":"2026-09-25T12:30:14.095Z","database_specific":{"cpes":["cpe:2.3:a:rclone:rclone:*:*:*:*:*:go:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://github.com/rclone/rclone/security/advisories/GHSA-8v25-v8p6-qf7v"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79781"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/rclone-serve-s3-path-traversal-via-dot-dot-object-keys"}],"affected":[{"package":{"name":"rclone","ecosystem":"Bitnami","purl":"pkg:bitnami/rclone"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.74.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/rclone/BIT-rclone-2026-79781.json"},"severity":[{"type":"CVSS_V4","score":"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/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"}]}],"schema_version":"1.9.0"}