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CVE-2026-40520

HIGH

7.2

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.2

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado4/21/2026

Ultima modificacao4/23/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

freepbx:api

Fraquezas (CWE)

CWE-78

Referencias

https://github.com/FreePBX/api/blob/5f194e39a47e5481e8947f9694304d32724175f6/Api.class.php#L546C1-L554C3(disclosure@vulncheck.com)

https://github.com/FreePBX/api/blob/5f194e39a47e5481e8947f9694304d32724175f6/ApiGqlHelper.class.php#L34C1-L36C136(disclosure@vulncheck.com)

https://github.com/FreePBX/api/commit/5f194e39a47e5481e8947f9694304d32724175f6(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/freepbx-api-module-command-injection-via-graphql(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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