Missing authorization in Frappe ERPNext lets users modify records
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 · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Frappe ERPNext before 16.22.0 has a missing authorization flaw (CWE-862). Authenticated users can invoke endpoints that lack proper authorization checks and modify records beyond their permitted role. The attack requires low privileges over the network and no user interaction, and it impacts integrity and availability of the affected data.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Frappe ERPNext before 16.22.0 contains a missing authorization vulnerability that allows authenticated users to modify records by invoking endpoints lacking proper authorization checks. Attackers can call these endpoints to perform operations on records beyond their permitted role, resulting in unauthorized modification of data.
Why it matters now
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
Remediation
Upgrade Frappe ERPNext to version 16.22.0 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA erpnext (frappe) Fixed in 16.22.0
Timeline
- 2026-10-13 Threatist record created from CVE-2026-109640
- 2026-10-13 Alias added: GHSA-w3h8-9m75-6p69
- 2026-10-13 Priority changed: MEDIUM → LOW
- 2026-10-18 CISA SSVC decision points changed
References
More frappe vulnerabilities
- 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
Sources
- CVE-2026-109640 · CVE Program
- CVE-2026-109640 · NVD
- FIRST EPSS
- GHSA-w3h8-9m75-6p69 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences