File Access and Server-Side Request Forgery in Nodemailer by Nodemailer
CVE-2026-82659

7.1HIGH

Key Information:

Vendor

Nodemailer

Status
Nodemailer
Vendor
CVE Published:
31 August 2026

What is CVE-2026-82659?

Nodemailer versions prior to 9.0.1 contain a vulnerability that permits authenticated attackers to bypass security measures related to file access and server-side request forgery. By leveraging the raw option with crafted paths or URLs, attackers can access arbitrary files or exploit server requests, potentially exposing sensitive information to unintended recipients.

Affected Version(s)

nodemailer 0 < 9.0.1

nodemailer 9.0.1

References

https://github.com/nodemailer/nodemailer/security/advisor...
vendor-advisory
https://www.vulncheck.com/advisories/nodemailer-before-9....
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pig-Tail
.