Improper Resource Shutdown or Release in Pivotal Spring Framework - CVE-2026-22740
Published: April 21, 2026
Vulnerability identifier: #VU126708
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-22740
CWE-ID: CWE-404
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pivotal
Affected software:
Pivotal Spring Framework
Pivotal Spring Framework
Detailed vulnerability description
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.
How to mitigate CVE-2026-22740
Install security update from vendor's website.