CVE-2026-100700

7.5 HIGHpublic exploit available

Published 2026-09-26 · Updated 2026-09-28

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

nodemailer before 10.0.6 contains a denial of service vulnerability in the addressparser free-text fallback regex pattern that exhibits quadratic backtracking behavior. Attackers can supply crafted email header values with long whitespace-free runs to block the Node.js event loop for tens of seconds, causing service unavailability.

CVSS vector

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

Weaknesses

CWE-407

Public exploit & PoC references

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-v53p-9fqp-m79j
https://github.com/nodemailer/nodemailer/security/advisories/GHSA-v53p-9fqp-m79j

All references

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-v53p-9fqp-m79j
https://www.vulncheck.com/advisories/nodemailer-before-10.0.6-denial-of-service-via-addressparser
https://github.com/nodemailer/nodemailer/security/advisories/GHSA-v53p-9fqp-m79j

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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