Authentication Bypass in IBM API Connect Versions 10.0.8 and 12.1.0
CVE-2026-17379

7.4HIGH

Key Information:

Vendor

IBM
Status
Api Connect
Vendor
CVE Published:
7 November 2026

What is CVE-2026-17379?

A vulnerability exists in IBM API Connect versions 10.0.8.0 to 10.0.8.12 and 12.1.0.0 to 12.1.1.2 that enables remote attackers to bypass authentication mechanisms. This occurs due to inadequate verification of cryptographic signatures, allowing malicious agents to gain unauthorized access and potentially assign arbitrary roles within the application. Immediate action is recommended to mitigate risks associated with this vulnerability.

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:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.