CVE-2026-21859

MEDIUM

5.8

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.8

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/8/2026

Zuletzt geandert2/2/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

axllent:mailpit

Schwachen (CWE)

CWE-918

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.