Vulnerability details

CVE-2026-2310

IBM webMethods Integration Server

IBM webMethods Integration Server is vulnerable to an XML external entity injection (XXE) attack when processing XML data

CVSS 3.1

7.8High

Official 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 scores

Score	Version	Source	Vector
7.8High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
IBM	webMethods Integration Server	11.1	CVEProject cvelistV5 (CNA)

References and advisories

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

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Details

Published: 2026-09-11
Last updated: 2026-09-12
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.26%

Probability of exploitation in 30 days

18.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-91
XML Injection (aka Blind XPath Injection)