High severity · published Oct 12, 2026
CVE-2026-109640
Frappe ERPNext before 16.22.0 Missing Authorization Allows Unauthorized Record Modification
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ER
erpnext · frappe
before 16.22.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109640
vendor-advisory
https://github.com/frappe/erpnext/security/advisories/GHSA-c496-q7g2-62vv
third-party-advisory
https://www.vulncheck.com/advisories/frappe-erpnext-before-16.22.0-missing-authorization-allows-unauthorized-record-modification
More from erpnext
9.9
CVE-2026-65974
ERPNext: Server-Side Template Injection leading to Remote Code Execution
9.9
CVE-2026-72911
ERPNext: Possibility of server-side template injection due to missing validation
9.9
CVE-2026-44442
ERPNext: Unauthorised Document modification due to missing validation
9.8
CVE-2026-38431
ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI)
9.6
CVE-2025-67289
An arbitrary file upload vulnerability in the Attachments module of Frappe Framework v15.89.0 allows attackers to execute arbitrary code via uploading a crafted XML file