CVE-2026-116193Medium· 5.3▾ TwilightPoC availableRclone 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 h…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 29.2 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 26.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
Exploit / PoC code exists
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.
rclone >= 1.64.0 < 1.75.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-116190Low· 3.7rclone v1.56.0 before v1.75.2 WebDAV Credential Header Leak on Redirect
CVE-2026-79776Medium· 5.3rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler
CVE-2026-88013Low· 3.7rclone is a command-line program to sync files and directories to and from different cloud storage providers
CVE-2026-116191High· 7.5Rclone before 1.75.2 Path Traversal via serve webdav MKCOL
CVE-2026-116194Medium· 6.8Rclone 1.52.0 before 1.75.2 CSRF via pCloud OAuth Callback
CVE-2026-116189High· 7.5rclone 1.55.0 before 1.75.2 selfupdate Signature Verification Bypass via SHA256SUMS