SB2026090726 - IBM DataStage on Cloud Pak for Data update for undici
Published: September 7, 2026
Security Bulletin ID
SB2026090726
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-9675)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the WebSocket client when processing fragmented uncompressed messages. A remote attacker can stream many small WebSocket fragments to cause a denial of service.
Exploitation requires an application using the WebSocket client to connect to an attacker-controlled or compromised WebSocket endpoint.
Remediation
Install update from vendor's website.