SB2026071619 - IBM Sterling Connect:Direct Web Services update for Netty
Published: July 16, 2026
Security Bulletin ID
SB2026071619
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect Comparison (CVE-ID: CVE-2026-44249)
CWE-ID: CWE-697 - Incorrect Comparison
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to bypass IPv6 subnet access controls.
The vulnerability exists due to incorrect comparison in IpSubnetFilterRule.compareTo() when evaluating IPv6 subnet rules. A remote attacker can use a valid public IP address to bypass IPv6 subnet access controls.
The issue is caused by applying a bitwise AND operation to the configured networkAddress instead of the subnetMask.
Remediation
Install update from vendor's website.