Path Traversal in Polonel Trudesk
CVE-2026-114402
Trudesk through 1.2.11 contains a path traversal and authorization bypass vulnerability in accountsController.uploadImage that allows authenticated users to overwrite other users' avatars via form-supplied _id and username fields. Attackers can supply a username like /../../../x to bypass the incomplete CVE-2022-1752 sanitization and write png, jpg, jpeg, or gif files outside public/uploads/users.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@leediay/multiple-vuln-trudesk-1211 (third-party-advisory)
- github.com/polonel/trudesk/blob/v1.2.11/src/controllers/accounts.js (technical-description)
- github.com/polonel/trudesk (product)
- www.vulncheck.com/advisories/trudesk-through-1.2.11-path-traversal-and-authoriz… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114402?
- CVE-2026-114402 is a medium-severity vulnerability in Polonel Trudesk, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-10-21.
- How severe is CVE-2026-114402?
- Medium severity. CVSS v3 base score is 4.3 out of 10.