Vulnerability · Published Oct 25, 2026 · Assigned by VulnCheck

CVE-2026-116191Rclone before 1.75.2 Path Traversal via serve webdav MKCOL

High 7.5

In plain English

A high-severity path traversal in rclone from rclone. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 66.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.24	rclone	1.75.2-r0	ALPINE-CVE-2026-116191
Debian:12	rclone	no fix listed	DEBIAN-CVE-2026-116191
Debian:13	rclone	no fix listed	DEBIAN-CVE-2026-116191
Ubuntu:26.10	rclone	no fix listed	UBUNTU-CVE-2026-116191

Affected products (as reported)

Vendor	Product	Versions
rclone	rclone	0 – before 1.75.2

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

GitHub Security Advisory (GHSA-44pm-2q5p-fm63) vendor-advisory
VulnCheck Advisory: Rclone before 1.75.2 Path Traversal via serve webdav MKCOL third-party-advisory