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

IBM webMethods Integration Server 11.1 contains an XML external entity injection caused by improper processing of XML data, letting remote attackers expose sensitive information or cause memory resource consumption, exploit requires crafted XML input.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-91

Vendor fix

Update to the latest version of IBM webMethods Integration Server.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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