CVE-2026-82660

Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess

Published Aug 31, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess
First Time appeared Nodemailer
Nodemailer nodemailer
Weaknesses CWE-862
CPEs cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:*:*:*
Vendors & Products Nodemailer
Nodemailer nodemailer
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 31, 2026, 2:39 PM
Reserved
Aug 30, 2026, 1:38 PM
Status
Awaiting Analysis
Published
Aug 31, 2026, 9:17 AM
Modified
Sep 10, 2026, 3:48 PM
Severity
Moderate
Public date
Aug 31, 2026, 8:46 AM