CVE-2026-109665: Missing Authorization in frappe erpnext
Description
CVE-2026-109665 is a missing authorization vulnerability in Frappe ERPNext versions before 15.108.0 and 16.x before 16.18.0. It allows authenticated low-privileged users to access certain endpoints without proper permission checks, enabling them to deactivate master records and modify data beyond their authorized roles. The vulnerability has a medium severity with a CVSS 4.0 score of 5.3.
CVSS v4.0
Score 5.3medium
Affected software
frappe
erpnext
pkg:github/frappe/erpnextRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Frappe ERPNext versions prior to 15.108.0 and 16.x prior to 16.18.0 contain a missing authorization vulnerability in specific endpoints that do not enforce adequate permission checks. This flaw permits authenticated users with low privileges to invoke these endpoints and deactivate master records, effectively modifying data beyond their intended access rights. The vulnerability is identified as CVE-2026-109665 with a CVSS 4.0 base score of 5.3, indicating a medium severity impact. There is no indication of known exploits in the wild, and the product is not a cloud service.
Potential Impact
Authenticated users with low privileges can exploit this vulnerability to deactivate master records, allowing unauthorized modification of critical data within the ERP system. This could lead to data integrity issues and potential disruption of business processes relying on these master records.
Mitigation Recommendations
A fix is available in Frappe ERPNext versions 15.108.0 and 16.18.0 and later. Users should upgrade to these or newer versions to remediate the vulnerability. Since this is not a cloud service, patching must be performed by the user or administrator. Patch status is confirmed by the affectedVersions information indicating fixed versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-12T21:07:34.160Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acd63e92cdf04f656e1e5e4
Added to database: 10/12/2026, 22:49:13 UTC
Last enriched: 10/12/2026, 23:04:04 UTC
Last updated: 10/12/2026, 23:48:16 UTC
Views: 7
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