Auth bypass in Polonel Trudesk
CVE-2026-111345
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
- hackmd.io/@hieuPenguinnn/trudesk-conversation-messages-idor (third-party-advisory)
- github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/messages.js (technical-description)
- github.com/polonel/trudesk/blob/v1.2.11/src/models/chat/message.js (technical-description)
- github.com/polonel/trudesk (product)
- www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-ge… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111345?
- CVE-2026-111345 is a medium-severity vulnerability in Polonel Trudesk, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-15.
- How severe is CVE-2026-111345?
- Medium severity. CVSS v3 base score is 4.3 out of 10.