SB2026060812 - IBM Sterling Connect:Direct Web Services update for WebFlux

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Main Vulnerability Database SB2026060812

SB2026060812 - IBM Sterling Connect:Direct Web Services update for WebFlux

Published: June 8, 2026

Security Bulletin ID SB2026060812
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Resource Shutdown or Release (CVE-ID: CVE-2026-22740)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: 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


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.


Remediation

Install update from vendor's website.

References