SB2026091811 - IBM InfoSphere Data Replication for z/OS Remote Source update for libcurl
Published: September 18, 2026
Security Bulletin ID
SB2026091811
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authentication Bypass by Primary Weakness (CVE-ID: CVE-2026-1965)
CWE-ID: CWE-305 - Authentication Bypass by Primary Weakness
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper reuse of HTTP Negotiate connection. A remote attacker can bypass authentication and gain access to the target system.
Remediation
Install update from vendor's website.