Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.
Fix
Public exploits 1
- asvorg/CVE-2026-116191-poc PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 8
- Cpes+1 CPE criteria (now 1)NVD modified 2026-10-27 14:09
- StatusPublished → AnalyzedNVD modified 2026-10-27 14:09
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 16:42
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 14:08
- StatusReceived → PublishedNVD modified 2026-10-25 13:20
- StatusPublished → ReceivedNVD modified 2026-10-25 14:16
- CVSS8.7 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N) → 8.7 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-25 14:16
- First seenCVSS 8.7 · rcloneNVD modified 2026-10-25 13:20
Affected (CPE criteria) 1
cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:*