5.1
MEDIUM CVSS 4.0
CVE-2026-111939
Frappe Helpdesk before 1.26.0 Authorization Bypass via raised_by in Ticket Creation
Description

Frappe Helpdesk before 1.26.0 contains an authorization bypass vulnerability that allows authenticated portal users to create tickets impersonating other customers by supplying a raised_by value. Attackers can call the hd_ticket.api.new endpoint with a victim's email to plant phishing tickets in their portal and read their replies via get_ticket_activities.

INFO

Published Date :

Oct. 19, 2026, 2:17 p.m.

Last Modified :

Oct. 19, 2026, 3:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-111939 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Frappe frappe
2 Frappe helpdesk
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Frappe Helpdesk to version 1.26.0 or later to fix the authorization bypass.
  • Update Frappe Helpdesk to version 1.26.0 or later.
  • Restrict access to the hd_ticket.api.new endpoint.
  • Validate the 'raised_by' field for ticket creation.
  • Review audit logs for suspicious ticket activity.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-111939 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-111939 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-111939 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-111939 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 19, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-111939', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-19T14:22:49.644605Z'}
  • New CVE Received by [email protected]

    Oct. 19, 2026

    Action Type Old Value New Value
    Added Description Frappe Helpdesk before 1.26.0 contains an authorization bypass vulnerability that allows authenticated portal users to create tickets impersonating other customers by supplying a raised_by value. Attackers can call the hd_ticket.api.new endpoint with a victim's email to plant phishing tickets in their portal and read their replies via get_ticket_activities.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
    Added CWE CWE-639
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/111xxx/CVE-2026-111939.json">CVE-2026-111939</a>
    Added Reference https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/api.py
    Added Reference https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/hd_ticket.py
    Added Reference https://github.com/frappe/helpdesk/commit/1186367f3616a605440e73e6a08eacbbcb9b92d9
    Added Reference https://github.com/frappe/helpdesk/commit/c778f533b24b1dee0c75b206979a9bc4b1be0de2
    Added Reference https://github.com/frappe/helpdesk/releases/tag/v1.26.0
    Added Reference https://github.com/frappe/helpdesk/security/advisories/GHSA-xf93-jjcj-44vm
    Added Reference https://www.vulncheck.com/advisories/frappe-helpdesk-before-1.26.0-authorization-bypass-via-raised-by-in-ticket-creation
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.