Server-Side Request Forgery Vulnerability in IBM API Connect
CVE-2026-18836

9.3CRITICAL

Key Information:

Vendor

IBM
Status
Api Connect
Vendor
CVE Published:
7 November 2026

What is CVE-2026-18836?

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, allowing remote attackers to exploit server-side request forgery (SSRF) vulnerabilities. This can enable attackers to send requests to unintended destinations, leading to the potential leakage of sensitive information as the server processes the requests and returns responses to the attacker.

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:
9.3
Severity:
CRITICAL
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.