CVE-2026-2310 XML external entity in webMethods Integration Server
A remote attacker can exploit XML external entity injection in IBM webMethods Integration Server to expose sensitive information or consume memory resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2310?
CVE-2026-2310 is a high-severity vulnerability in IBM webMethods Integration Server, published on 10 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-91
Which versions are affected by CVE-2026-2310?
How do I fix CVE-2026-2310?
No fix has been published for CVE-2026-2310 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2310 being exploited?
There is no known exploitation of CVE-2026-2310 in the wild and no public exploit code.
Sources
Also known as GHSA-vxvc-4pm5-3rq9.