CVE-2026-12118

IBM webMethods Integration could allow an unauthenticated remote attacker to execute arbitrary code on the system due to the deserialization of untrusted data

State: Published
Severity: 9.8 Critical
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: Jun 12, 2026

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Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	ibm

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
webMethods Integration (on prem)IBM	10.15, 10.11Affected

References

https://www.ibm.com/support/pages/node/7278857vendor-advisorypatch

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