TI-2026-71388 Aliases CVE-2026-109629 GHSA-vjh8-mjr2-jr8r

Missing authorization in Frappe ERPNext transactional email endpoint

LOW 23CWE-862Published 2026-10-12 · Updated 2026-10-13

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Frappe ERPNext before 15.121.3 and 16.x before 16.35.0 is affected by a missing authorization flaw (CWE-862) in an endpoint that sends transactional email. The endpoint sends mail through the site's configured outgoing account without checking the caller's authorization. Any authenticated user can supply arbitrary recipients and message content, sending messages that carry the organisation's sending identity.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00192 8th percentileScored 2026-11-08

Fix Fixed erpnext (frappe): 15.121.3, 16.35.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
frappe	erpnext	before 15.121.3; 16.0.0-beta.1 to before 16.35.0	15.121.3, 16.35.0	Patch available	CNA

erpnext Vendorfrappe Affected before 15.121.3; 16.0.0-beta.1 to before 16.35.0 Fixed in 15.121.3, 16.35.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:frappe:erpnext::::::::	—	—	frappe

cpe:2.3:a:frappe:erpnext:*:*:*:*:*:*:*:* Versions — — ·frappe

Remediation

Upgrade ERPNext to version 15.121.3 or 16.35.0, which fix the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA erpnext (frappe) Fixed in 15.121.3, 16.35.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-12
frappe erpnext 15.121.3, 16.35.0
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-71384 Missing authorization in Frappe ERPNext exposes financial dataPriority LOW 31
- TI-2026-71378 Missing authorization in Frappe ERPNext lets users modify dataPriority LOW 31
Show all 3 records →

Timeline

2026-10-13 Threatist record created from CVE-2026-109629
2026-10-13 Alias added: GHSA-vjh8-mjr2-jr8r
2026-10-13 CISA SSVC decision points changed

References

Advisory 1

GitHub Security Advisory (GHSA-7j2w-hg27-8g3q)

TI-2026-28140 ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1CRITICAL 9.8
TI-2025-40873 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
TI-2025-40872 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
TI-2025-40871 A Server-Side Template Injection (SSTI) vulnerability exists in the Frappe ERPNext… CVSS 3.1CRITICAL 9.8
TI-2025-32462 In Frappe ERPNext 15.57.5, the function get_rfq_containing_supplier() at… CVSS 3.1HIGH 8.2
TI-2025-32461 In Frappe ERPNext 15.57.5, the function get_stock_balance_for() at… CVSS 3.1HIGH 8.2

See all 321 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences