XML External Entity Injection Vulnerability in IBM webMethods Integration Server
CVE-2026-2310

7.8HIGH

Key Information:

Vendor

IBM
Status
Webmethods Integration Server
Vendor
CVE Published:
10 September 2026

What is CVE-2026-2310?

IBM webMethods Integration Server 11.1 contains a vulnerability that allows attackers to execute XML External Entity Injection (XXE) attacks when processing XML data. This vulnerability can be exploited by a remote attacker, potentially leading to exposure of sensitive information and excessive consumption of memory resources, which poses a significant threat to overall system integrity.

Affected Version(s)

webMethods Integration Server 11.1

References

https://www.ibm.com/support/pages/node/7286620
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.