Read the docs
TI-2026-75079 Aliases CVE-2026-111345

Trudesk Authorization Bypass Exposes Private Conversations

Priority LOW 24CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Trudesk through 1.2.11 contains an authorization bypass that lets any authenticated user read private conversations by supplying another conversation's id. The endpoint GET /api/v1/messages/conversation/:id lacks participant checks, exposing the full message history and participants' usernames, full names and email addresses. An attacker needs a low-privilege account and no user interaction. The flaw is classified under CWE-639.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
poloneltrudeskup to 1.2.11—No fix listedCNA
  • trudesk Vendorpolonel Affected up to 1.2.11 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:trudesk_project:trudesk:*:*:*:*:*:*:*:*——polonel
  • cpe:2.3:a:trudesk_project:trudesk:*:*:*:*:*:*:*:* Versions — — ·polonel

Remediation

No fixed version is listed for Trudesk.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111345
  2. 2026-10-16 CISA SSVC decision points changed

References

Advisory 1

Other 3

  • TI-2026-78782 Username enumeration via regex injection in Trudesk login CVSS 4.0MEDIUM 6.9
  • TI-2026-78773 Authorization bypass in Trudesk ticket API lets users read other tickets CVSS 4.0MEDIUM 6.9
  • TI-2026-78781 Trudesk Missing Authentication for Ticket Attachments via /uploads CVSS 4.0HIGH 8.2
  • TI-2026-78778 Missing authentication on Trudesk debug routes enables data deletion CVSS 4.0HIGH 8.3
  • TI-2026-78777 MongoDB $where injection in Trudesk ticket search API CVSS 4.0HIGH 7.1
  • TI-2021-20836 TruDesk Help Desk/Ticketing Solution v1.1.11 is vulnerable to a Cross-Site Request… CVSS 3.1MEDIUM 6.5
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences