High severity · published Sep 10, 2026
CVE-2026-2310
IBM webMethods Integration Server is vulnerable to an XML external entity injection (XXE) attack when processing XML data
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
IBM webMethods Integration Server 11.1 IBM webMethods Integration is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
webMethods Integration Server · IBM
11.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2310
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2310
www.ibm.com
https://www.ibm.com/support/pages/node/7286620
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