Auth bypass in Frappe Helpdesk
CVE-2026-111939
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/frappe/helpdesk/security/advisories/GHSA-xf93-jjcj-44vm (vendor-advisory)
- github.com/frappe/helpdesk/commit/1186367f3616a605440e73e6a08eacbbcb9b92d9 (patch)
- github.com/frappe/helpdesk/commit/c778f533b24b1dee0c75b206979a9bc4b1be0de2 (patch)
- github.com/frappe/helpdesk/releases/tag/v1.26.0 (release-notes)
- github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/api… (technical-description)
- github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/hd_… (technical-description)
- www.vulncheck.com/advisories/frappe-helpdesk-before-1.26.0-authorization-bypass… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111939?
- CVE-2026-111939 is a medium-severity vulnerability in Frappe Helpdesk, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.6/10. Published 2026-10-19.
- How severe is CVE-2026-111939?
- Medium severity. CVSS v3 base score is 4.6 out of 10.