CVE-2026-88046

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, rclone core does not reject parent-directory segments in source Object.Remote() values before fs/list, fs/walk, fs/sync, and fs/operations pass those values to destination backends. A flat-keyspace source object store populated with native non-rclone tooling can contain a raw .. key segment, and affected b2, swift, qingstor, oracleobjectstorage, internetarchive, smb, storj, sftp, webdav, ftp, filelu, shade, and sia destinations use path.Join(root, remote) before EncodeDot can neutralize the segment. A copy or upload can therefore escape the configured root into another bucket, share, or path reachable by the victim credential, with sftp and smb potentially reaching other filesystem or share locations under the same login authority. This issue is fixed in version 1.75.1.

• CWE-22

• https://github.com/rclone/rclone/commit/57842c5ee4e1407eda06a414a36510cce2db4252
• https://github.com/rclone/rclone/releases/tag/v1.75.1
• https://github.com/rclone/rclone/security/advisories/GHSA-38xv-hf3p-h7mq

Published

Sep 10, 2026

Last Modified

Sep 10, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-88035A size check in the client-side authentication path of the M…4.7
• CVE-2026-88036Improper neutralization of special elements in data query lo…8.3
• CVE-2026-88038cookies is a Node.js library for reading and writing HTTP co…4.8
• CVE-2026-8804Puppet resource_api (shipped in Puppet Core 8.x and Puppet E…6.7
• CVE-2026-88044rclone is a command-line program to sync files and directori…9.1
• CVE-2026-88045rclone is a command-line program to sync files and directori…7.5
• CVE-2026-88047Tesseract is an open source OCR engine. In version 5.5.3 and…8.6
• CVE-2026-88048Tesseract is an open source OCR engine. In version 5.5.3 and…8.6
• CVE-2026-88049Tesseract is an open source OCR engine. In version 5.5.3 and…8.6
• CVE-2026-8805Integer Overflow or Wraparound vulnerability in the EtherNet…8.7
• CVE-2026-88050Tesseract is an open source OCR engine. In version 5.5.3 and…6.9
• CVE-2026-88051Tesseract is an open source OCR engine. In version 5.5.3 and…8.6