CVE-2026-40520 — FreePBX api module version 17.0.8 and prior contain a command injection vulnera…
Severity: High · Kind: Vulnerability
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From the source
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.
Vulnerability facts
- CVE
- CVE-2026-40520
- CVSS
- 7.2
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