CVE-2026-40520
High · 7.2CVSS
7.2
EPSS
2.4%
Published
Apr 21, 2026
CISA due date
—
The record
FreePBX api module version 17.0.8 and prior contain a command injection vulnerability in the initiateGqlAPIProcess() function where GraphQL mutation input fields are passed directly to shell_exec() without sanitization or escaping. An authenticated user with a valid bearer token can send a GraphQL moduleOperations mutation with backtick-wrapped commands in the module field to execute arbitrary commands on the underlying host as the web server user.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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