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CVE-2026-82659— nodemailer before 9.0.1 File Read and SSRF via raw option

Quick assessment

Affected
nodemailer nodemailer
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.

nodemailer 在 9.0.1 版本之前，未能将 和 标志应用于消息级别的 选项，使得经过身份验证的攻击者能够通过提供 或 属性，读取任意文件或执行服务器端请求伪造（SSRF）。攻击者可以通过构造包含文件路径或 URL 的原始消息来利用该漏洞，从而绕过预期的沙箱环境，并将获取到的内容通过外发邮件发送至攻击者控制的收件人。

CVSS 7.1 · High

Possible ATT&CK Techniques 2 AI

T1086 T1090 · Proxy
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I. Basic Information for CVE-2026-82659

Vulnerability Information
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Vulnerability Title
nodemailer before 9.0.1 File Read and SSRF via raw option
Source: CVE Program / CVE List V5
Vulnerability Description
nodemailer before 9.0.1 fails to apply disableFileAccess and disableUrlAccess flags to message-level raw option, allowing authenticated attackers to read arbitrary files or perform server-side request forgery by supplying path or href properties. Attackers can exploit this by crafting raw messages with file paths or URLs that bypass the intended sandbox, with fetched content delivered in the outgoing message to attacker-controlled recipients.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nodemailer nodemailer 0 ~ 9.0.1 -

II. Public POCs for CVE-2026-82659

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III. Intelligence Information for CVE-2026-82659

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Other References for CVE-2026-82659 (2)

Same Patch Batch · nodemailer · 2026-08-31 · 7 CVEs total

CVE-2026-82854 9.8 CRITICAL Nodemailer before 8.0.3 SMTP Command Injection via envelope.size
CVE-2026-82662 6.5 MEDIUM Nodemailer before 8.0.8 TLS Certificate Validation Bypass
CVE-2026-82660 5.4 MEDIUM Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess
CVE-2026-82661 5.4 MEDIUM Nodemailer CRLF Injection via List-* Header Comments
CVE-2024-58379 5.3 MEDIUM nodemailer before 6.9.9 ReDoS via attachDataUrls parameter
CVE-2026-82853 4.9 MEDIUM Nodemailer before 8.0.5 SMTP Command Injection via CRLF

IV. Related Vulnerabilities

Same product: nodemailer
Same vendor: nodemailer
Same weakness: CWE-73

V. Comments for CVE-2026-82659

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