CVE-2026-21859

MEDIUM

5.8

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.15.8

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado1/8/2026

Ultima modificacion2/2/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

axllent:mailpit

Debilidades (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)

Correlaciones IOC

Sin correlaciones registradas

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