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CVE-2026-38728

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

smtp-server是nodemailer开源的一个创建SMTP和LMTP服务器实例的Node.js模块。 smtp-server 3.18.3之前版本存在资源管理错误漏洞，该漏洞源于SMTPStream._write和lib/smtp-stream.js组件问题，可能导致远程攻击者造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-38728

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write, lib/smtp-stream.js components
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
smtp-server 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
smtp-server是nodemailer开源的一个创建SMTP和LMTP服务器实例的Node.js模块。 smtp-server 3.18.3之前版本存在资源管理错误漏洞，该漏洞源于SMTPStream._write和lib/smtp-stream.js组件问题，可能导致远程攻击者造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-38728

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III. Intelligence Information for CVE-2026-38728

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Security Blog Posts for CVE-2026-38728 (1)

Vendor Pages for CVE-2026-38728 (1)

Other References for CVE-2026-38728 (1)

Same Patch Batch · n/a · 2026-05-15 · 7 CVEs total

CVE-2026-39053 oinone-pamirs 代码问题漏洞
CVE-2026-39054 oinone-pamirs 命令注入漏洞
CVE-2026-39052 oinone-pamirs 代码注入漏洞
CVE-2026-34253 vorbis-tools 安全漏洞
CVE-2025-67437 Medical Management System 访问控制错误漏洞
CVE-2025-67031 Online Recruitment System for Economic Experiments 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-38728

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