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VULNERABILITIES

CVE-2026-92596 Details

Description

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the Node.js event loop for extended periods, consuming 100% CPU and freezing the process.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nodemailer/nodemailer/security/advisories/GHSA-2x7j-588g-ccc2 CISA-ADP
https://github.com/nodemailer/nodemailer/commit/34da642 [email protected]
https://github.com/nodemailer/nodemailer/commit/7cc38af [email protected]
https://github.com/nodemailer/nodemailer/commit/83b8c48 [email protected]
https://github.com/nodemailer/nodemailer/commit/9116da9 [email protected]

see all 7 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-92596
NVD Published Date:
Sep 16, 2026
NVD Last Modified:
Sep 22, 2026
Source:
[email protected]
CVE-2026-92596 Details - Not Deferred