CVE-2026-79781
Fixed upstream EPSS <1%CVSS 6.5
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.
Products: rclone
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Go | github.com/rclone/rclone | 1.74.4 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | rclone | no fix |
| Debian 13 | rclone | no fix |
| Ubuntu 18.04 LTS | rclone | no fix |
| Ubuntu 26.10 | rclone | no fix |
| Ubuntu Pro 20.04 LTS | rclone | no fix |
| Ubuntu Pro 22.04 LTS | rclone | no fix |
| Ubuntu Pro 24.04 LTS | rclone | no fix |
| Ubuntu Pro 26.04 LTS | rclone | no fix |