CVE-2026-82660— Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess
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 8.0.9 版本之前，在 jsonTransport 的消息归一化过程中，未能正确强制实施 和 选项。攻击者可以通过在消息内容字段中提供 或 值，从而读取本地文件或获取远程 URL，进而绕过预期的访问控制机制。
Possible ATT&CK Techniques 2 AI
T1574 · Hijack Execution Flow T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-82660
Vulnerability Information
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Vulnerability Title
Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess
Source: CVE Program / CVE List V5
Vulnerability Description
Nodemailer before 8.0.9 fails to enforce disableFileAccess and disableUrlAccess options during message normalization in jsonTransport. Attackers can read local files or fetch URLs by supplying path or href values in message content fields, bypassing intended access controls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nodemailer | nodemailer | 0 ~ 8.0.9 | - |
|
II. Public POCs for CVE-2026-82660
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-82660 (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-2026-82659 | 7.1 HIGH | nodemailer before 9.0.1 File Read and SSRF via raw option |
| CVE-2026-82662 | 6.5 MEDIUM | Nodemailer before 8.0.8 TLS Certificate Validation Bypass |
| 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
-
CVE-2026-82854
Nodemailer before 8.0.3 SMTP Command Injection via envelope. -
CVE-2026-82853
Nodemailer before 8.0.5 SMTP Command Injection via CRLF -
CVE-2026-82662
Nodemailer before 8.0.8 TLS Certificate Validation Bypass -
CVE-2026-82661
Nodemailer CRLF Injection via List-* Header Comments -
CVE-2026-82659
nodemailer before 9.0.1 File Read and SSRF via raw option
Same vendor: nodemailer
-
CVE-2026-82854
Nodemailer before 8.0.3 SMTP Command Injection via envelope. -
CVE-2026-82853
Nodemailer before 8.0.5 SMTP Command Injection via CRLF -
CVE-2026-82662
Nodemailer before 8.0.8 TLS Certificate Validation Bypass -
CVE-2026-82661
Nodemailer CRLF Injection via List-* Header Comments -
CVE-2026-82659
nodemailer before 9.0.1 File Read and SSRF via raw option
Same weakness: CWE-862
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V. Comments for CVE-2026-82660
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