CVE-2026-40987

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

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

Spring · Spring Integration

CVSS v3.1 VMWARE

7.1 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L

EPSS

0.26% chance of exploitation in the next 30 days, 16th percentile

Published

2026-06-11

Updated

2026-06-23

Proof-of-concept exploits (1)

• daehyuh/CVE-2026-409870★ · 2026-06-29

Security advisories

• https://spring.io/security/cve-2026-40987
• advisories/GHSA-792x-6vq6-j8r9

References

• CVE Record
• NVD entry

Related

• CVE-2026-41729
• CVE-2026-47883