Vulnerability · Published Oct 28, 2026 · Assigned by WSO2
CVE-2026-78674Remote Code Execution via BPMN System REST APIs in Multiple WSO2 Products Permits Arbitrary Command Execution
High 8.8
In plain English
A high-severity OS command injection in Business Process Server from WSO2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Official description
The BPMN System REST APIs do not sufficiently validate input parameters, allowing authenticated users to submit crafted requests that can lead to the execution of arbitrary commands on the server. An authenticated user can leverage this vulnerability to execute arbitrary commands with the privileges of the product's runtime account. The scope of potential damage is contingent upon the permissions assigned to this account.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WSO2 | Enterprise Integrator (BPS profile) | 0 – through 6.6.0 |
| WSO2 | Business Process Server | 0 – through 3.6.0 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H