TI-2026-29267 CVE-2026-40520 · GHSA-h2vx-h73q-6q6wFreePBX api module Command Injection via GraphQLPriority MEDIUM 42FreePBX 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 o…CVSS 4.0HIGH 8.6· Network · High privileges · No interaction · EPSS 0.01379 · Published 2026-04-21 · Fixed CWE-78