CVE-2026-59732 rclone archive extract allows S3 destination prefix escape via crafted archive paths
Attackers can escape destination prefixes in rclone archive extraction to overwrite or read sibling objects in cloud storage buckets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-59732?
CVE-2026-59732 is a medium-severity path traversal vulnerability in rclone, published on 14 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone archive extract can write extracted files outside the user-selected destination prefix when extracting a crafted archive containing parent path components such as ../, allowing creation or overwrite of sibling objects in the same bucket or path scope. This issue is fixed in version 1.74.4.
Weakness: CWE-22
Which versions are affected by CVE-2026-59732?
4 open source packages ship an affected version, including github.com/rclone/rclone and rclone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/rclone/rclone Go | All versions | 1.74.4 |
github.com/rclone/rclone Go | All versions | 1.74.4 |
github.com/rclone/rclone Go | All versions | 1.74.4 |
rclone Bitnami | All versions | 1.74.4 |
Products include Rclone Rclone.
How do I fix CVE-2026-59732?
Upgrade github.com/rclone/rclone to 1.74.4 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-59732 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-59732 exists.
Other vulnerabilities in rclone
- CVE-2026-88018 rclone serve s3: --auth-proxy without --auth-key authenticates nobody - full SigV4 signature bypass
- CVE-2026-49980 Rclone: Unauthenticated command execution in `rclone rcd --rc-serve` via inline remote instantiation, bypassing CVE-2026-41179 fix
- CVE-2026-41179 RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution
- CVE-2026-41176 Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution
- CVE-2026-59733 rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories
Sources
Also known as BIT-rclone-2026-59732, DEBIAN-CVE-2026-59732, GHSA-4vr5-p2gc-h23p, GO-2026-6185, MINI-3r34-h54p-q8wp, MINI-49pv-rfpr-454p and 5 more.