CVE-2026-40987
Remote-file synchronizer in Spring Integration writes server-supplied filename under localDirectory without canonicalization
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.
INFO
Published Date :
June 11, 2026, 7:16 a.m.
Last Modified :
July 23, 2026, 9:10 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | dcf2e128-44bd-42ed-91e8-88f912c1401d | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Spring Integration to a non-vulnerable version.
- Apply vendor patches for affected releases.
Public PoC/Exploit Available at Github
CVE-2026-40987 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-40987.
| URL | Resource |
|---|---|
| https://spring.io/security/cve-2026-40987 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-40987 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-40987
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CVE-2026-40987 PoC
Java
None
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-40987 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-40987 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Spring Integration, Description: Un servidor FTP/SFTP/SMB malicioso o comprometido puede escribir archivos arbitrarios en cualquier lugar del sistema de archivos del cliente (fuera del directorio local configurado) con contenido controlado por el atacante. Versiones afectadas: Spring Integration 7.0.0 hasta 7.0.4; 6.5.0 hasta 6.5.8; 6.4.0 hasta 6.4.11; 6.3.0 hasta 6.3.14; 5.5.0 hasta 5.5.20. -
CVE Modified by [email protected]
Jun. 23, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'Spring', 'product': 'Spring Integration', 'versions': [{'status': 'affected', 'version': '7.0.0', 'lessThan': '7.0.5', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.5.0', 'lessThan': '6.5.9', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.4.0', 'lessThan': '6.4.12', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.3.0', 'lessThan': '6.3.15', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.5.0', 'lessThan': '5.5.21', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] [{'vendor': 'Spring', 'product': 'Spring Integration', 'versions': [{'status': 'affected', 'version': '7.0.0', 'lessThan': '7.0.4.1', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.5.0', 'lessThan': '6.5.8.1', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.4.0', 'lessThan': '6.4.12', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.3.0', 'lessThan': '6.3.15', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.5.0', 'lessThan': '5.5.21', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Spring', 'product': 'Spring Integration', 'versions': [{'status': 'affected', 'version': '7.0.0', 'lessThan': '7.0.5', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.5.0', 'lessThan': '6.5.9', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.4.0', 'lessThan': '6.4.12', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.3.0', 'lessThan': '6.3.15', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.5.0', 'lessThan': '5.5.21', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-40987', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-11T12:46:16.495655Z'} -
New CVE Received by [email protected]
Jun. 11, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L Added CWE CWE-22 Added Reference https://spring.io/security/cve-2026-40987