Vulnerability DatabaseCVE-2026-116193
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CVE-2026-116193
Published:October 25, 2026
Updated:October 29, 2026
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.
Affected Packages
https://github.com/rclone/rclone.git (GITHUB):
Affected version(s) >=v1.64.0 <v1.75.2
Fix Suggestion:
Update to version v1.75.2
github.com/rclone/rclone (GO):
Affected version(s) >=v1.64.0 <v1.75.2
Fix Suggestion:
Update to version v1.75.2
Related Resources (2)
https://github.com/rclone/rclone/security/advisories/GHSA-gj73-fh6v-92fj
https://www.vulncheck.com/advisories/rclone-1.64.0-before-1.75.2-serve-webdav-authentication-bypass-via-options-requests
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.25