CVE-2026-93986 rclone before 1.75.1 Path Traversal via Directory Listing Names
Attackers can craft malicious directory names to attempt writing files outside the destination root, though local backend protections currently mitigate actual escape.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-93986?
CVE-2026-93986 is a low-severity path traversal vulnerability in rclone, published on 19 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
rclone before 1.75.1 fails to confine names from server and third-party listing responses to the listed directory, allowing path traversal sequences in object names. Attackers can craft special names containing forward slashes and parent directory references to potentially write outside the destination root, though downstream protections in the local backend currently block actual file escape.
Weakness: CWE-22
Which versions are affected by CVE-2026-93986?
1 open source package ship an affected version, including rclone.
| Package | Affected | Fixed in |
|---|---|---|
rclone Bitnami | All versions | 1.75.1 |
How do I fix CVE-2026-93986?
Upgrade rclone to 1.75.1 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-93986 being exploited?
There is no known exploitation of CVE-2026-93986 in the wild and no public exploit code.
Sources
Also known as BIT-rclone-2026-93986, DEBIAN-CVE-2026-93986, GHSA-3vxh-3pcx-9m8q, GHSA-9g4r-fhf6-vc4c, MINI-5qc3-vm4v-rf29, MINI-w23v-gqff-pj4g and 1 more.