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OpenAdvisories
High · 7.1 Public exploit CVE-2026-40987 EUVD-2026-36202GHSA-792x-6vq6-j8r9

Remote-file synchronizer in Spring Integration writes server-supplied filename under localDirectory without canonicalization

Published Jun 11, 2026 · Updated Jun 23, 2026 · Assigned by vmware

Description

A malicious or compromised FTP/SFTP/SMB server can write arbitrary files anywhere on the client filesystem (outside the configured local-directory) with attacker-controlled content.

Affected versions:
Spring Integration 7.0.0 through 7.0.4; 6.5.0 through 6.5.8; 6.4.0 through 6.4.11; 6.3.0 through 6.3.14; 5.5.0 through 5.5.20.

Affected products

VendorProductAffectedFixed
Spring Spring Integration 7.0.0 – < 7.0.4.1, 6.5.0 – < 6.5.8.1, 6.4.0 – < 6.4.12, 6.3.0 – < 6.3.15, 5.5.0 – < 5.5.21 7.0.4.1

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

References