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.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.6CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-19

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

References

• https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/api.py
• https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/hd_ticket.py
• https://github.com/frappe/helpdesk/commit/1186367f3616a605440e73e6a08eacbbcb9b92d9
• https://github.com/frappe/helpdesk/commit/c778f533b24b1dee0c75b206979a9bc4b1be0de2
• https://github.com/frappe/helpdesk/releases/tag/v1.26.0

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