CVE-2026-21859

MEDIUM

5.8

Descricao

Mailpit is an email testing tool and API for developers. Versions 1.28.0 and below have a Server-Side Request Forgery (SSRF) vulnerability in the /proxy endpoint, allowing attackers to make requests to internal network resources. The /proxy endpoint validates http:// and https:// schemes, but it does not block internal IP addresses, enabling attackers to access internal services and APIs. This vulnerability is limited to HTTP GET requests with minimal headers. The issue is fixed in version 1.28.1.

Detalhes CVE

Pontuacao CVSS v3.15.8

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/8/2026

Ultima modificacao2/2/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

axllent:mailpit

Fraquezas (CWE)

CWE-918

Referencias

https://github.com/axllent/mailpit/commit/3b9b470c093b3d20b7d751722c1c24f3eed2e19d(security-advisories@github.com)

https://github.com/axllent/mailpit/security/advisories/GHSA-8v65-47jx-7mfr(security-advisories@github.com)

https://github.com/axllent/mailpit/security/advisories/GHSA-8v65-47jx-7mfr(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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