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PatchSiren cyber security CVE debrief

CVE-2026-114394 polonel CVE debrief

CVE-2026-114394 is an authorization bypass vulnerability in Trudesk through version 1.2.11. Authenticated users can post content attributed to other users by supplying user-controlled owner IDs in postComment, postInternalNote, and ticket create requests. This allows attackers to forge administrator-authored comments, internal notes, and tickets on any ticket.

Vendor
polonel
Product
trudesk
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-21
Original CVE updated
2026-10-21
Advisory published
2026-10-21
Advisory updated
2026-10-21

Who should care

Defenders responsible for Trudesk installations, especially those with multiple users or administrative roles, should assess exposure and potential impact. This includes verifying Trudesk installation exposure, reviewing access controls and authentication mechanisms, and monitoring for suspicious activity related to ticket comments and creation. Security teams and vulnerability management teams should also review the potential impact on incident response

Why it matters

CVE-2026-114394 is an authorization bypass vulnerability in Trudesk that allows authenticated users to post content as other users, including administrators. Defenders should verify exposure, especially in multi-user environments, and assess potential impact on incident response and ticket management processes.

  • Potential for unauthorized content creation
  • Risk of misattribution of actions to administrative users
  • Possible impact on incident response and ticket management processes
  • Need for verification of Trudesk installation exposure

Technical summary

The vulnerability allows authenticated users to forge content attributed to other users, including administrators, by manipulating owner IDs in API requests. This could lead to unauthorized creation of comments, internal notes, and tickets. The issue affects Trudesk through version 1.2.11 and can be exploited through postComment, postInternalNote, and ticket create requests. Defenders should prioritize verifying exposure of Trudesk installations, especially those with multiple users or administrative roles, and assess the potential for unauthorized content creation.

Defensive priority

Defenders should prioritize verifying exposure of Trudesk installations, especially those with multiple users or administrative roles, and assess the potential for unauthorized content creation.

Recommended defensive actions

  • Verify Trudesk installation exposure, especially for multi-user environments
  • Assess potential for unauthorized content creation
  • Review and update access controls and authentication mechanisms
  • Monitor for suspicious activity related to ticket comments and creation
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information. Defenders should verify Trudesk installation exposure, especially in multi-user environments, and assess potential impact on incident response and ticket management processes. The authorization bypass vulnerability allows authenticated users to post content attributed to other users by supplying user-controlled owner IDs in postComment, postInternalNote, and ticket create requests

Sources and references

Verified primary and authoritative sources

  • CVE-2026-114394 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-114394

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-114394 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-114394

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Trudesk through 1.2.11 Authorization Bypass via Ticket Comment and Create APIs

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/114xxx/CVE-2026-114394.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://hackmd.io/@leediay/multiple-vuln-trudesk-1211

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/tickets.js

    Supplemental source - technical-description

  • Source reference

    Unverified legacy reference

    URL: https://github.com/polonel/trudesk

    Supplemental source - product

  • Source reference

    Unverified legacy reference

    URL: https://www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-ticket-comment-and-create-apis

    Supplemental source - third-party-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.