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VULNERABILITIES

CVE-2026-116193 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/rclone/rclone/security/advisories/GHSA-gj73-fh6v-92fj CISA-ADPVendor Advisory
https://github.com/rclone/rclone/security/advisories/GHSA-gj73-fh6v-92fj [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/rclone-1.64.0-before-1.75.2-serve-webdav-authentication-bypass-via-options-requests [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-200Exposure of Sensitive Information to an Unauthorized Actor[email protected]

Affected Products

ProductVersions
rclone rclone
>= 1.64.0, < 1.75.2

CPE

  • cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-116193
NVD Published Date:
Oct 25, 2026
NVD Last Modified:
Oct 29, 2026
Source:
[email protected]
CVE-2026-116193 Details - Not Deferred