CVE-2026-116193

EUVD-2026-109451
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
rclonerclone
1.64.0 ≤
𝑥
< 1.75.2
CNA
Debian logo
Debian Releases
Debian Product
Codename
rclone
bookworm
1.60.1+dfsg-2
fixed
sid
1.75.2-2
fixed
trixie
1.60.1+dfsg-4
fixed
Common Weakness Enumeration
References
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