CVE-2026-114399 polonel CVE debrief

Who should care

Defenders and administrators of Trudesk installations, especially those using version 1.2.11 or earlier, should assess the exposure of their backup and restore functionalities and verify the vulnerability.

Why it matters

CVE-2026-114399 is a path traversal vulnerability in Trudesk through 1.2.11 that allows for arbitrary file deletion and restoration outside intended directories. Defenders should prioritize verifying the vulnerability in Trudesk installations, especially for versions up to 1.2.11, and assess the exposure of backup and restore functionalities.

• Potential for arbitrary file deletion
• Potential for restoration of archives to unintended paths
• Need for verification of Trudesk version and exposure
• Potential disruption of backup and restore operations

Technical summary

The path traversal vulnerability in Trudesk through 1.2.11 allows administrators to delete arbitrary files by manipulating the DELETE /api/v1/backup/:backup API. It also enables passing unvalidated file values to the POST /api/v1/backup/restore API to restore archives from or extract to paths outside intended directories. This vulnerability can lead to potential data loss, unauthorized data restoration, and disruption of backup and restore operations. Defenders should prioritize verifying the vulnerability in Trudesk installations, especially for versions up to 1.2.11, and assess the exposure of backup and restore functionalities.

Defensive priority

Defenders should prioritize verifying the vulnerability in Trudesk installations, especially for versions up to 1.2.11, and assess the exposure of backup and restore functionalities.

Recommended defensive actions

• Verify Trudesk version and assess exposure of backup and restore functionalities
• Restrict access to DELETE /api/v1/backup/:backup and POST /api/v1/backup/restore APIs
• Monitor for suspicious backup and restore activities
• Consider upgrading to a version beyond 1.2.11 if available
• 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 path traversal vulnerability in Trudesk. The vulnerability is confirmed in version 1.2.11 and earlier. The source item includes references to technical descriptions and the product's GitHub page.

Sources and references

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.