SB2026100620 - Relative Path Traversal in GoAnywhere MFT



SB2026100620 - Relative Path Traversal in GoAnywhere MFT

Published: October 6, 2026

Security Bulletin ID SB2026100620
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Relative Path Traversal (CVE-ID: CVE-2026-15913)

CWE-ID: CWE-23 - Relative Path Traversal

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to disclose arbitrary files outside the sandboxed home directory.

The vulnerability exists due to relative path traversal in the /attachRemoteFiles endpoint when handling requests to attach remote files. A remote user can submit a crafted path traversal request to disclose arbitrary files outside the sandboxed home directory.

Exploitation requires both Secure Folders and Secure Mail permissions.


Remediation

Install update from vendor's website.