CVE-2026-116193GHSA-gj73-fh6v-92fj
Rclone 1.64.0 before 1.75.2 serve webdav Authentication Bypass via OPTIONS Requests
rclone rclone
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
What fixes it
- 1.75.2rcloneCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 2
- rcloneaffected: 1.64.0 before 1.75.2CVE List
- rcloneunaffected: 1.75.2CVE List