CVE-2026-40987

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

State: Published
Severity: 7.1 High
Published: Jun 11, 2026
Updated: Jun 23, 2026
Reserved: Apr 16, 2026

Read the record on cve.org

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L	vmware

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory (Path Traversal)

Affected Products

Product	Versions
Spring IntegrationSpring	7.0.0 to before 7.0.4.1Affected 6.5.0 to before 6.5.8.1Affected 6.4.0 to before 6.4.12Affected 6.3.0 to before 6.3.15Affected 5.5.0 to before 5.5.21Affected

References

https://spring.io/security/cve-2026-40987

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.