MEDIUM 6.9 NVD
CVE-2026-79781
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
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.
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-key
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-08-25 via NVD.
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