CVE-2026-40987: high-severity vulnerability in Spring Integration
Remote-file synchronizer in Spring Integration writes server-supplied filename under localDirectory without canonicalization
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.1epss 0.3%
from disclosure to weapon0 days
Published on NVDJun 11
1st PoCMay 11
exploitation probability
0.3%top 84% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
Affected products
Spring · Spring Integrationpublic PoCs found — 1
githubgithub.com/daehyuh/CVE-2026-40987★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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