Rclone 1.64.x < 1.75.1 FTP Auth-Proxy Cross-Session Backend Confusion (CVE-2026-88017)

The version of Rclone installed on the remote host is 1.64.x prior to 1.75.1. It is, therefore, affected by a cross-session backend confusion vulnerability: - The FTP auth-proxy driver stores one obscured password per username in a server-wide map and does not bind the credential or the returned...

BIT-RCLONE-2026-88017 rclone: FTP cross-session auth-proxy backend confusion

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

SUSE CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

Linux Distros Unpatched Vulnerability : CVE-2026-88017

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy drive...

rclone: FTP cross-session auth-proxy backend confusion

Summary The FTP auth-proxy driver stores one obscured password per username in a server-wide map. It does not bind the credential or returned VFS to the authenticated FTP session. If two accepted credentials use the same username but resolve to different proxy backends, the later login overwrites...

GHSA-C476-6W5Q-JW77 rclone: FTP cross-session auth-proxy backend confusion

Summary The FTP auth-proxy driver stores one obscured password per username in a server-wide map. It does not bind the credential or returned VFS to the authenticated FTP session. If two accepted credentials use the same username but resolve to different proxy backends, the later login overwrites...

CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

DEBIAN-CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

EUVD-2026-75577

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017 rclone: FTP cross-session auth-proxy backend confusion

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017 rclone: FTP cross-session auth-proxy backend confusion

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017

rclone versions 1.64.0 through 1.75.1 contain a cross-session authentication confusion in the FTP auth-proxy driver (cmd/serve/ftp/ftp.go). The server stores one obscured password per username in a global userPass map rather than binding it to the authenticated session. When a second login with t...

CVE-2026-88017

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

CVE-2026-88017: Exposure of Data Element to Wrong Session

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

PT-2026-89488

Name of the Vulnerable Software and Affected Versions rclone versions 1.64.0 through 1.75.0 Description The FTP auth-proxy driver in cmd/serve/ftp/ftp.go fails to bind credentials or the Virtual File System VFS to specific authenticated sessions. Instead, it stores one obscured password per...

CVE-2026-88017: Exposure of Data Element to Wrong Session

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.64.0 until 1.75.1, the FTP auth-proxy driver in cmd/serve/ftp/ftp.go stores one obscured password per username in the server-wide userPass mapstringstring instead of binding the...

PT-2026-89689

Summary The FTP auth-proxy driver stores one obscured password per username in a server-wide map. It does not bind the credential or returned VFS to the authenticated FTP session. If two accepted credentials use the same username but resolve to different proxy backends, the later login overwrites...