NotrinosERP: Authenticated arbitrary file upload leads to remote code execution via HRM employee "Documents" (doc_file)

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

No dated EPSS signal available.

As published by the source; long descriptions are shortened.

Summary An authenticated user with the HR "Manage Employees" permission (`SA_EMPLOYEE`) can upload a file with an arbitrary extension through the employee Documents tab. The handler writes the raw client-supplied filename — extension intact — into a web-served directory with no extension, MIME, or content validation, so a `.php` file is stored under the web root and executes as code, yielding remote code execution on the server.

Details The document-upload branch in `hrm/manage/employees.php` (function `tab_documents()`) moves the uploaded file using the client filename verbatim: ```php // hrm/manage/employees.php -> tab_documents() (HEAD lines 597-602; release 1.0.0 lines 568-573) $upload_dir = company_path().'/documents/employees'; if (!file_exists($upload_dir)) mkdir($upload_dir, 0777, true); $file_path = $upload_dir.'/'.$employee_id.'_'.time().'_'.$_FILES['doc_file']['name']; if (!move_uploaded_file($_FILES['doc_file']['tmp_name'], $file_path)) { ... } ``` There is…

Published by the source

10 Jul 2026, 19:34 UTC

Last modified by the source

27 Oct 2026, 15:15 UTC

Source last checked

28 Oct 2026, 06:30 UTC

1. Revision 4 · amended · 28 Oct 2026

   Amended from osv record GHSA-qv4m-m73m-8hj7

2. Revision 3 · amended · 27 Oct 2026

   Amended from ghsa record GHSA-qv4m-m73m-8hj7

3. Revision 2 · amended · 26 Oct 2026

   Amended from ghsa record GHSA-qv4m-m73m-8hj7

4. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-qv4m-m73m-8hj7

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# Patch Next advisory brief: CVE-2026-76913

Advisory: NotrinosERP: Authenticated arbitrary file upload leads to remote code execution via HRM employee "Documents" (doc_file)
IDs: CVE-2026-76913, GHSA-qv4m-m73m-8hj7
Record: https://patchnext.com/advisories/ghsa-qv4m-m73m-8hj7 (revision 4, source checked 28 Oct 2026, 06:30 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: notrinos/notrinos-erp 1.1.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist notrinos/notrinos-erp: affected < 1.1.0; fixed in 1.1.0

## Suggested inspection (read-only)
- Packagist notrinos/notrinos-erp: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on notrinos/notrinos-erp.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-qv4m-m73m-8hj7 (GitHub-reviewed advisory GHSA-qv4m-m73m-8hj7 lists affected ranges: Packagist notrinos/notrinos-erp >=0 <=1.0.0)
- Verified: https://osv.dev/vulnerability/GHSA-qv4m-m73m-8hj7 (OSV record GHSA-qv4m-m73m-8hj7 lists affected ranges: Packagist notrinos/notrinos-erp >=0 <1.1.0 (fixed))

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