Medium 5.3Published Oct 25, 2026

CVE-2026-116193Rclone 1.64.0 before 1.75.2 serve webdav Authentication Bypass via OPTIONS Requests

Updated under an hour ago (Oct 28, 2026, 7:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for rclone

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Oct 25, 2026
First seen by InfoSec Signals: Oct 25, 2026

Affected products

Affected products

rclone rclone rclone:rclone (from the name)	from 1.64.0 before 1.75.2; 1.75.2 not affected	CNA record
rclone rclone rclone:rclone	from 1.64.0 before 1.75.2	NVD

References

References

https://github.com/rclone/rclone/security/advisories/GHSA-gj73-fh6v-92fj	vendor-advisory
https://www.vulncheck.com/advisories/rclone-1.64.0-before-1.75.2-serve-webdav-authentication-bypass-via-options-requests	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.