Vulnerability · Published Oct 21, 2026 · Assigned by VulnCheck

CVE-2026-114402Trudesk through 1.2.11 Path Traversal and Authorization Bypass via Profile Image Upload

Medium 4.3

In plain English

A medium-severity path traversal in trudesk from polonel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 62.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
polonel	trudesk	0 – through 1.2.11

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

https://hackmd.io/@leediay/multiple-vuln-trudesk-1211 third-party-advisory
https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/accounts.js#L454-L553 technical-description
https://github.com/polonel/trudesk product
VulnCheck Advisory: Trudesk through 1.2.11 Path Traversal and Authorization Bypass via Profile Image Upload third-party-advisory