PT-2026-52131 · Appsmithorg · Appsmith

Publicado

2026-06-24

·

Atualizado

2026-06-24

·

CVE-2026-49979

CVSS v4.0

5.1

Média

VetorAV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.99, the POST /api/v1/admin/send-test-email endpoint accepts attacker-controlled smtpHost and smtpPort values and establishes a raw JavaMail TCP connection without any IP validation. This completely bypasses WebClientUtils.IP CHECK FILTER, which only applies to Spring WebClient HTTP requests. Additionally, the raw MailException.getMessage() is returned verbatim in the API error response, enabling error-based internal port scanning and service banner enumeration. This vulnerability is fixed in 1.99.

Correção

Generation of Error Message Containing Sensitive Information

SSRF

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Enumeração de Fraquezas

Identificadores relacionados

CVE-2026-49979

Produtos afetados

Appsmith