What is CVE-2026-116191?

CVE-2026-116191 is a high-severity vulnerability in Rclone, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-10-25.

How severe is CVE-2026-116191?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Rclone

CVE-2026-116191

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-25.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Rclone

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/rclone/rclone/security/advisories/GHSA-44pm-2q5p-fm63 (vendor-advisory)
www.vulncheck.com/advisories/rclone-before-1.75.2-path-traversal-via-serve-webd… (third-party-advisory)

Frequently asked questions

What is CVE-2026-116191?: CVE-2026-116191 is a high-severity vulnerability in Rclone, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-10-25.
How severe is CVE-2026-116191?: High severity. CVSS v3 base score is 7.5 out of 10.