Cryptographic Vulnerability in IBM API Connect Products
CVE-2026-19126

5.9MEDIUM

Key Information:

Vendor

IBM
Status
Api Connect
Vendor
CVE Published:
7 November 2026

What is CVE-2026-19126?

IBM API Connect versions 10.0.8.0 to 10.0.8.12 and 12.1.0.0 to 12.1.1.2 are affected by a vulnerability that utilizes cryptographic algorithms weaker than expected. This flaw can potentially allow malicious actors to decrypt highly sensitive information, posing a significant risk to data security. It is crucial for users of affected versions to apply the latest patches provided by IBM to mitigate this threat.

Affected Version(s)

API Connect 12.1.0.0 <= 12.1.1.2

API Connect 10.0.8.0 <= 10.0.8.12

References

https://www.ibm.com/support/pages/node/7295635
vendor-advisorypatch
https://www.ibm.com/support/pages/node/7295637
vendor-advisorypatch

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.