CVE-2026-109629
Frappe ERPNext before 15.121.3 Missing Authorization in Transactional Email Endpoint
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.
INFO
Published Date :
Oct. 12, 2026, 11:17 p.m.
Last Modified :
Oct. 12, 2026, 11:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Frappe ERPNext to version 15.121.3 or later.
- Update Frappe ERPNext to version 16.35.0 or later.
- Verify outgoing email sending authorization controls.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-109629.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-109629 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-109629
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-109629 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-109629 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/109xxx/CVE-2026-109629.json">CVE-2026-109629</a> Added Reference https://github.com/frappe/erpnext/security/advisories/GHSA-7j2w-hg27-8g3q Added Reference https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.3-missing-authorization-in-transactional-email-endpoint