Kopia Server 0.23.0 - Remote Code Execution

Kopia before version 0.23.0 allows unauthenticated remote code execution when started in server mode with the --without-password flag. When the /api/v1/repo/exists endpoint is exposed, it enables instantiation of the SFTP storage backend with user-supplied sshArguments. Due to improper argument...

PT-2026-89682

Summary Multiple backends, when given a specially crafted object to copy, can escape the backend confinement. | Backend | Keep/Close | Per-backend severity | |---|---|---| | sftp | Medium | Real filesystem escape, fires under default encoding. | | smb | Low-Medium | Escapes to a different SMB sha...

UBUNTU-CVE-2026-84267

A flaw was found in the SFTP backend in gvfs. When mounting a share, a...

UBUNTU-CVE-2026-84268

A flaw was found in the SFTP backend in gvfs. When mounting a share an...

CVE-2026-84267

A flaw was found in the SFTP backend in gvfs. When mounting a share, a...

CVE-2026-84268

A flaw was found in the SFTP backend in gvfs. When mounting a share an...

CVE-2026-84267

A flaw was found in the SFTP backend in gvfs. When mounting a share, a malicious SFTP server can cause readstring to allocate a buffer with a certain length but the function does not verify that the buffer is completely filled, leaving the remainder of the buffer containing uninitialized heap...

CVE-2026-84268

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing...

DEBIAN-CVE-2026-84268

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing...

CVE-2026-84268

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing...

EUVD-2026-69287

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing...

CVE-2026-84267

A flaw was found in the SFTP backend in gvfs. When mounting a share, a malicious SFTP server can cause readstring to allocate a buffer with a certain length but the function does not verify that the buffer is completely filled, leaving the remainder of the buffer containing uninitialized heap...

PT-2026-84308

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read reply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causin...

Linux Distros Unpatched Vulnerability : CVE-2026-84268

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that...

Linux Distros Unpatched Vulnerability : CVE-2026-84267

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the SFTP backend in gvfs. When mounting a share, a malicious SFTP server can cause readstring to allocate a buffer with a certain length but...

PT-2026-73433

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to v1.75.0, rclone interpolates remote SFTP paths into PowerShell hash commands in backend/sftp/sftp.go, and quoteOrEscapeShellPath escapes only ASCII apostrophe even though...

UBUNTU-CVE-2026-71309

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.40.0 until 1.75.0, rclone serve restic does not correctly reject URL paths beginning with ../ in cmd/serve/restic/restic.go WithRemote, which accepts a leading parent path and pass...

GHSA-2M8M-JHRM-W6J2 rclone: PowerShell Smart-Quote Filename Injection Enables SFTP Server-Side Command Execution

Summary rclone interpolates remote SFTP paths into PowerShell hash commands. Its quoting helper escapes only ASCII apostrophe, although PowerShell accepts four Unicode smart quotes as single-quote delimiters. An attacker-controlled filename can therefore terminate the intended path literal and...

CVE-2026-71312 rclone: PowerShell Smart-Quote Filename Injection Enables SFTP Server-Side Command Execution

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to v1.75.0, rclone interpolates remote SFTP paths into PowerShell hash commands in backend/sftp/sftp.go, and quoteOrEscapeShellPath escapes only ASCII apostrophe even though...

PT-2026-68331

Name of the Vulnerable Software and Affected Versions rclone versions prior to 1.75.0 Description In the backend/sftp/sftp.go file, the software interpolates remote SFTP paths into PowerShell hash commands. The quoteOrEscapeShellPath function only escapes ASCII apostrophes, failing to account for...