CVE-2026-116193

Medium

Description

Rclone from 1.64.0 before 1.75.2 contains an authentication bypass vulnerability in serve webdav that lets unauthenticated attackers skip authentication by sending OPTIONS requests. Attackers can probe arbitrary paths and compare Allow header values to determine whether files or collections exist, enabling namespace enumeration.

SeverityMedium

CVSS5.3

Exploit probability—

ProductRclone

PublishedOct 25, 2026

First seenOct 25, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

rclone rclone1.75.2 or later

Vendor advisories

github.com/rclone/rclone/security/advisories/GHSA-gj73-fh6v-92fj

Affected products

Product	Affected versions	Fixed in
rclone rclone	1.64.0 ≤ v < 1.75.2	1.75.2

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