CVE-2026-82660

MEDIUM 5.4

Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	nodemailer
Product	nodemailer
Published	Aug 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

nodemailer / nodemailer

0 < 8.0.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/nodemailer/nodemailer/security/advisories/GHSA-wqvq-jvpq-h66f vulncheck.com: https://www.vulncheck.com/advisories/nodemailer-jsontransport-bypasses-disablefileaccess-and-disableurlaccess

Credits

🔍 sondt99 🔍 dungNHVhust