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CVE-2026-40987

HighPublished

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

Published: Jun 11, 2026
Updated: Jun 23, 2026
Assigning CNA: vmware
Evidence observed: Aug 8, 2026

Primary CVSS

7.1/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 12.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2026-40987PoC
CVE-2026-40987 PoC

Responsible use

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