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Fencer Vulns
high 7.1

CVE-2026-40987 json

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

published 2026-06-11 4 mo ago modified 2026-09-04 2 mo ago also GHSA-792x-6vq6-j8r9 , EUVD-2026-36202

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

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.

Patch / fix

  • maven org.springframework.integration:spring-integration-file 6.5.9, 7.0.5
  • Spring Spring Integration 5.5.21, 6.3.15, 6.4.12, 6.5.8.1, 7.0.4.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-40987 updated cvss 7.1

Spring Integration: Spring Integration: Arbitrary file write via malicious server

  • Red Hat Fuse 7 spring-integration-core, spring-integration-http
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Data Grid 8 spring-integration-core, spring-integration-file, spring-integration-sftp Red Hat JBoss Enterprise Application Platform Expansion Pack spring-integration-core, spring-integration-file, spring-integration-sftp
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
GitHub 3.1 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L

Affected packages

ecosystem package affected fixed in
maven org.springframework.integration:spring-integration-file
>=7.0.0, <7.0.5
>=6.5.0, <6.5.9
>=6.4.0, <=6.4.11
>=6.3.0, <=6.3.14
<=5.5.20
7.0.5
6.5.9

Affected products

  • Spring Spring Integration

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.