CVE-2026-111939 Frappe Helpdesk before 1.26.0 Authorization Bypass via raised_by in Ticket Creation
Authenticated users can bypass authorization to create tickets impersonating others and read their replies in Frappe Helpdesk.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111939?
CVE-2026-111939 is a medium-severity missing authorization vulnerability in frappe helpdesk, published on 19 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-111939?
How do I fix CVE-2026-111939?
No fix has been published for CVE-2026-111939 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111939 being exploited?
There is no known exploitation of CVE-2026-111939 in the wild and no public exploit code.
Sources
Also known as GHSA-4f8v-crcw-833x, GHSA-xf93-jjcj-44vm.