VDB-385963 · CVE-2026-13227 · GCVE-0-2026-13227

Frappe ERPNext up to 15.114.x/16.25.x Whitelisted API improper authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	1.26

Summaryinfo

A vulnerability marked as problematic has been reported in Frappe ERPNext up to 15.114.x/16.25.x. The affected element is the function erpnext.crm.doctype.prospect.prospect.get_opportunities of the component Whitelisted API. This manipulation causes improper authorization. This vulnerability appears as CVE-2026-13227. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Frappe ERPNext up to 15.114.x/16.25.x. It has been declared as problematic. Affected by this vulnerability is the function erpnext.crm.doctype.prospect.prospect.get_opportunities of the component Whitelisted API. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

An Improper Authorization vulnerability exists in ERPNext version <v16.25.0 and <15.115.0 due to insufficient access control in the whitelisted API method erpnext.crm.doctype.prospect.prospect.get_opportunities. This issue affects ERPNext: before 15.115.0, before 16.26.0.

It is possible to read the advisory at fluidattacks.com. This vulnerability is known as CVE-2026-13227 since 06/24/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 15.115.0 or 16.26.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Frappe

Name

ERPNext

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ERPNext 15.115.0/16.26.0

Timelineinfo

06/24/2026 CVE reserved
08/04/2026 +41 days Advisory disclosed
08/04/2026 +0 days VulDB entry created
08/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: fluidattacks.com
Status: Confirmed

CVE: CVE-2026-13227 (🔒)
GCVE (CVE): GCVE-0-2026-13227
GCVE (VulDB): GCVE-100-385963

Entryinfo

Created: 08/04/2026 23:19
Changes: 08/04/2026 23:19 (55)
Complete: 🔍
Cache ID: 216::103