Frappe ERPNext up to 16.21.x improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.39

Summaryinfo

A vulnerability was found in Frappe ERPNext up to 16.21.x. It has been classified as problematic. This affects an unknown function. The manipulation leads to improper authorization. This vulnerability is traded as CVE-2026-109640. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Frappe ERPNext up to 16.21.x. This issue affects an unknown code block. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-109640 since 10/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 16.22.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ERPNext 16.22.0

Timelineinfo

10/12/2026 CVE reserved
10/12/2026 +0 days VulDB entry created
10/13/2026 +0 days Advisory disclosed
10/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-109640 (🔒)
GCVE (CVE): GCVE-0-2026-109640
GCVE (VulDB): GCVE-100-417359

Entryinfo

Created: 10/13/2026 01:43
Changes: 10/13/2026 01:43 (75)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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