Vulnerability · Published Sep 10, 2026 · Assigned by ibm
CVE-2026-2310IBM webMethods Integration Server is vulnerable to an XML external entity injection (XXE) attack when processing XML data
High 7.8
In plain English
A high-severity security flaw in webMethods Integration Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | webMethods Integration Server | 11.1 |
Weakness: CWE-91 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7286620 vendor-advisory, patch