What’s Vulnerable › Vulnerabilities
CVE-2026-116191: Rclone before 1.75.2 Path Traversal via serve webdav MKCOL
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-25 · updated 2026-10-27
- Weakness: CWE-22
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 products
How to fix
Upgrade to a fixed version: rclone 1.75.2; rclone 1.75.2. Check the vendor advisory for mitigations.
References
- https://github.com/rclone/rclone/security/advisories/GHSA-44pm-2q5p-fm63
- https://www.vulncheck.com/advisories/rclone-before-1.75.2-path-traversal-via-serve-webdav-mkcol
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