CVE-2026-114394

MEDIUM 4.3

Trudesk through 1.2.11 Authorization Bypass via Ticket Comment and Create APIs

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Trudesk through 1.2.11 contains an authorization bypass vulnerability that allows authenticated users to post content attributed to other users by supplying user-controlled owner IDs. Attackers can set ownerId or owner in postComment, postInternalNote, and ticket create requests to forge administrator-authored comments, internal notes, and tickets on any ticket.

CWE	CWE-639
Vendor	polonel
Product	trudesk
Published	Oct 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

polonel / trudesk

0 ≤ 1.2.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackmd.io: https://hackmd.io/@leediay/multiple-vuln-trudesk-1211 github.com: https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/tickets.js#L954-L1001 github.com: https://github.com/polonel/trudesk vulncheck.com: https://www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-ticket-comment-and-create-apis

Credits

leediay153 from Viettel Post