CVE-2026-100700

Published: Set 26, 2026 Last Modified: Set 28, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 8,7

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Confidentiality: N/A

Integrity: N/A

Availability: N/A

HIGH 7,5

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Scope: unchanged

Confidentiality: none

Integrity: none

Availability: high

Description

AI Translation Available

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.

407

Inefficient Algorithmic Complexity

Incomplete

Abstraction: Class Structure: Simple

Common Consequences

Security Scopes Affected:

Availability

Potential Impacts:

Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)

Applicable Platforms

All platforms may be affected

Likelihood of Exploit: Low

View CWE Details

https://github.com/nodemailer/nodemailer/security/advisorie…

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