{"id":"CVE-2026-79781","aliases":["GHSA-8v25-v8p6-qf7v","GO-2026-6189"],"url":"https://o3.security/vulnerability/CVE-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.","published":"2026-08-25T15:16:10.471Z","modified":"2026-09-12T03:30:39.919493308Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/rclone/rclone","fixedVersion":"1.74.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79781.json"},{"type":"ADVISORY","url":"https://github.com/rclone/rclone/security/advisories/GHSA-8v25-v8p6-qf7v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79781"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/rclone-serve-s3-path-traversal-via-dot-dot-object-keys"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T03:30:39.919493308Z"}}