CVE-2026-111709CWE-639

CVE-2026-111709

Medium · published October 16, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
6.9
In the wild
Unconfirmed
What it is

WhaTicket Community through commit cf04795 contains an insecure direct object reference vulnerability that allows authenticated agents to access other agents' tickets because ShowTicketService performs no ownership or queue checks. Attackers can supply another agent's ticket id to GET /tickets/:ticketId and /messages/:ticketId to read full message history and POST WhatsApp replies.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00177 · 6.9th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-16T22:17Z
References (6)
https://github.com/canove/whaticket-community · [email protected]https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/MessageController.ts#L24-L58 · [email protected]https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/TicketServices/ShowTicketService.ts · [email protected]https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor · [email protected]https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-idor-via-tickets-ticketid-and-messages-ticketid · [email protected]https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 17:39Z
    WhaTicket Community through commit cf04795 IDOR via /tickets/:ticketId and /messages/:ticketId
    cvelistv5
  • 16 OCT 17:39Z
    WhaTicket Community through commit cf04795 IDOR via /tickets/:ticketId and /messages/:ticketId
    cvelistv5