---
id: CVE-2026-103116
title: A weakness has been identified in OS4ED openSIS-Classic up to 9.3
summary: >-
  A weakness has been identified in OS4ED openSIS-Classic up to 9.3. This
  impacts the function DBQuery of the file functions/GetStuListFnc.php of the
  component Student List Search Endpoint. This manipulation of the argument
  LO_sort causes …
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-89
vendor: OS4ED
product: openSIS-Classic
affected:
  - openSIS-Classic 9.0
  - openSIS-Classic 9.1
  - openSIS-Classic 9.2
  - openSIS-Classic 9.3
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T17:16:41.723'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103116'
references:
  - url: 'https://github.com/OS4ED/openSIS-Classic/'
    label: cna@vuldb.com
  - url: 'https://github.com/OS4ED/openSIS-Classic/issues/476'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-103116'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/954962'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411872'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411872/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T16:31:23.479633Z'
ingestedAt: '2026-09-30T13:03:51.965Z'
epss: 0.0025
epssPercentile: 0.16222
---

## Overview

A weakness has been identified in OS4ED openSIS-Classic up to 9.3. This impacts the function DBQuery of the file functions/GetStuListFnc.php of the component Student List Search Endpoint. This manipulation of the argument LO_sort causes sql injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.