🛡️ CVE-2025-59937
🔴 CVSS 9.1 — Critical ✅ No Known Exploit CWE-88 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

go-mail is a comprehensive library for sending mails with Go. In versions 0.7.0 and below, due to incorrect handling of the mail.Address values when a sender- or recipient address is passed to the corresponding MAIL FROM or RCPT TO commands of the SMTP client, there is a possibility of wrong address routing or even ESMTP parameter smuggling. For successful exploitation, it is required that the user's code allows for arbitrary mail address input (i. e. through a web form or similar). If only static mail addresses are used (i. e. in a config file) and the mail addresses in use do not consist of quoted local parts, this should not affect users. This issue is fixed in version 0.7.1

Details

Severity HIGH
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-88
Public Exploit ✅ No
Source NVD
Published 2025-09-29
Updated 2026-06-15
Modified 2026-02-04

Affected Packages

Software From version Fixed in
github.com/wneessen/go-mail — —
go-mail — 0.7.1

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