IBM webMethods Integration (on prem) 10.15, 10.11 could allow an unauthenticated remote attacker to execute arbitrary code on the system due to the deserialization of untrusted data.
Fix
Public exploits 1
- uday952/CVE-2026-12118-POC- PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://www.ibm.com/support/pages/node/7278857 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · ibmNVD modified 2026-10-23 22:10
Affected (CPE criteria) 2
cpe:2.3:a:ibm:webmethods_integration:10.11:*:*:*:*:*:*:*cpe:2.3:a:ibm:webmethods_integration:10.15:*:*:*:*:*:*:*
References 1
- https://www.ibm.com/support/pages/node/7278857 Vendor Advisory