Path traversal in Spring Integration - CVE-2026-40987
Published: August 28, 2026
Vulnerability identifier: #VU146193
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40987
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to write arbitrary files on the client filesystem with attacker-controlled content.
The vulnerability exists due to improper pathname limitation in remote-file synchronizer when synchronizing files from a malicious or compromised FTP, SFTP, or SMB server. A remote user can supply a crafted filename to write arbitrary files on the client filesystem with attacker-controlled content.
User interaction is required to initiate synchronization with the malicious or compromised server.
Affected software
Spring Integration
How to mitigate CVE-2026-40987
Install security update from vendor's website.
Spring Integration - addressed in versions 5.5.21, 6.3.15, 6.4.12, 6.5.8.1, 6.5.9, 7.0.4.1, 7.0.5