What is CVE-2026-2310?

CVE-2026-2310 is a high-severity vulnerability in IBM Webmethods Integration Server, classified under XML Injection (Blind XPath Injection). CVSS score: 7.8/10. Published 2026-09-10.

How severe is CVE-2026-2310?

High severity. CVSS v3 base score is 7.8 out of 10.

XPath Injection in IBM Webmethods Integration Server

CVE-2026-2310

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 v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Webmethods Integration Server — versions 11.1

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-2310?: CVE-2026-2310 is a high-severity vulnerability in IBM Webmethods Integration Server, classified under XML Injection (Blind XPath Injection). CVSS score: 7.8/10. Published 2026-09-10.
How severe is CVE-2026-2310?: High severity. CVSS v3 base score is 7.8 out of 10.