CVE-2026-114399: Trudesk through 1.2.11 Path Traversal via Backup Delete and Restore API

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-10-21 · updated 2026-10-29
Weakness: CWE-22

Description

Trudesk through 1.2.11 contains a path traversal vulnerability that allows administrators to delete arbitrary files by supplying encoded traversal sequences to DELETE /api/v1/backup/:backup. Attackers can also pass unvalidated file values to POST /api/v1/backup/restore to restore archives from, or extract to, paths outside the intended directories.

Affected products

polonel/trudesk: through 1.2.11
polonel/trudesk: through 1.2.11

References

https://github.com/polonel/trudesk
https://github.com/polonel/trudesk/blob/v1.2.11/src/backup/restore.js#L69-L71
https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/backuprestore.js#L108-L118
https://hackmd.io/@leediay/multiple-vuln-trudesk-1211
https://www.vulncheck.com/advisories/trudesk-through-1.2.11-path-traversal-via-backup-delete-and-restore-api

Get alerted when CVE-2026-114399 or the next vulnerability affects your stack