CVE-2026-109629

Deferred Deferred - Pending Action

Missing Authorization in Frappe ERPNext Allows Email Spoofing

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: VulnCheck

Description

Frappe ERPNext before 15.121.3 and 16.x before 16.35.0 contains a missing authorization vulnerability in an endpoint that sends transactional email through the site's configured outgoing account without checking the caller's authorization. Any authenticated user can supply arbitrary recipient lists and message content to send attacker-controlled messages carrying the organisation's sending identity.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-12

Last Modified

2026-10-12

Generated

2026-10-13

AI Q&A

2026-10-13

EPSS Evaluated

N/A

NVD

CVE-2026-109629

Affected Vendors & Products

Vendor	Product	Version / Range
frappe	erpnext	0
frappe	erpnext	16.0.0-beta.1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

Frappe ERPNext versions before 15.121.3 and 16.x before 16.35.0 have a missing authorization vulnerability. An endpoint allows sending transactional emails without verifying the user's permissions. Any authenticated user can send emails with arbitrary recipients and content, using the organization's email identity.

Impact Analysis

Attackers could exploit this to send phishing emails or spam under your organization's name. This could damage your reputation, lead to account compromises, or expose sensitive information if recipients trust the fraudulent emails.

Compliance Impact

This vulnerability could violate GDPR by enabling unauthorized data processing or phishing attacks leading to data breaches. For HIPAA, it may allow unauthorized email communications containing protected health information, risking compliance violations and penalties.

Mitigation Strategies

Upgrade Frappe ERPNext to version 15.121.3 or later if using 15.x, or to version 16.35.0 or later if using 16.x to address the missing authorization vulnerability.

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