Improper Resource Shutdown or Release in Spring Framework - CVE-2026-22740

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Main Vulnerability Database Vulnerabilities #VU126708

Improper Resource Shutdown or Release in Spring Framework - CVE-2026-22740

Published: April 21, 2026


Vulnerability identifier: #VU126708
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-22740
CWE-ID: CWE-404
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper resource management in multipart request handling in WebFlux when processing multipart requests. A remote user can send a series of multipart requests to consume available disk space.

Temp files created for parts larger than 10 K may remain undeleted after request processing under some circumstances.


Affected software

Spring Framework
Db2 Developer Extension
Maximo Application Suite - Monitor Component
IBM Sterling File Gateway
IBM Sterling B2B Integrator
IBM Sterling Connect:Direct Web Services
Library Support for Spring

How to mitigate CVE-2026-22740

Install security update from vendor's website.

Spring Framework - addressed in versions 5.3.48, 6.1.27, 6.2.18, 7.0.7
Db2 Developer Extension - update to 1.1.2
IBM Sterling File Gateway - addressed in versions 6.2.0.6.1, 6.2.1.2.1, 6.2.2.1
IBM Sterling B2B Integrator - addressed in versions 6.2.0.6.1, 6.2.1.2.1, 6.2.2.1
IBM Sterling Connect:Direct Web Services - addressed in versions 6.3.0.19, 6.4.0.8
Maximo Application Suite - Monitor Component - addressed in versions 9.0.25, 9.1.15, 9.2.4
Library Support for Spring - update to 2.7.38

External References

Related Security Bulletins