CVE-2026-111345 Trudesk through 1.2.11 Authorization Bypass via GET /api/v1/messages/conversation/:id

Medium 5.3 Published Updated

Authenticated users can read private conversations and participant details by manipulating conversation IDs in API requests.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-111345?

CVE-2026-111345 is a medium-severity missing authorization vulnerability in polonel trudesk, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Trudesk through 1.2.11 contains an authorization bypass vulnerability that allows any authenticated user to read private conversations by supplying another conversation's id. Attackers can request GET /api/v1/messages/conversation/:id, which lacks participant checks, to obtain full message history plus participants' usernames, full names and email addresses.

Weakness: CWE-639

Which versions are affected by CVE-2026-111345?

How do I fix CVE-2026-111345?

No fix has been published for CVE-2026-111345 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-2026-111345 being exploited?

There is no known exploitation of CVE-2026-111345 in the wild and no public exploit code.

Sources

Also known as GHSA-xm42-mhff-286m.

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