Frappe CRM up to 1.81.1 Notification to_user improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.34

Summaryinfo

A vulnerability was found in Frappe CRM up to 1.81.1. It has been rated as critical. The affected element is an unknown function of the component Notification. Performing a manipulation of the argument to_user results in improper authorization. This vulnerability was named CVE-2026-111937. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Frappe CRM up to 1.81.1. This affects an unknown function of the component Notification. The manipulation of the argument to_user with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Frappe CRM before 1.81.2 contains a missing authorization vulnerability that allows authenticated Sales Users to access other users' CRM Notification records due to absent permission hooks. Attackers can query frappe.client endpoints filtering on to_user or call mark_as_read with another user argument to read, mark read, or delete others' notifications.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-111937 since 10/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 1.81.2 eliminates this vulnerability.

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Productinfo

Type

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: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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: CRM 1.81.2

Timelineinfo

10/17/2026 CVE reserved
10/19/2026 +2 days Advisory disclosed
10/19/2026 +0 days VulDB entry created
10/19/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-111937 (🔒)
GCVE (CVE): GCVE-0-2026-111937
GCVE (VulDB): GCVE-100-422373

Entryinfo

Created: 10/19/2026 16:31
Changes: 10/19/2026 16:31 (78)
Complete: 🔍
Cache ID: 216::103

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