---
id: CVE-2026-103114
title: A vulnerability was identified in OS4ED openSIS-Classic up to 9.3
summary: >-
  A vulnerability was identified in OS4ED openSIS-Classic up to 9.3. The
  impacted element is the function DBQuery_assignment of the file
  modules/grades/Assignments.php of the component Assignment Management
  Endpoint. The manipulation of th…
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: '2026-09-30T12:17:12.457'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103114'
references:
  - url: 'https://github.com/OS4ED/openSIS-Classic/'
    label: cna@vuldb.com
  - url: 'https://github.com/OS4ED/openSIS-Classic/issues/474'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-103114'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/954960'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411870'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411870/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-30T12:02:58.591Z'
---

## Overview

A vulnerability was identified in OS4ED openSIS-Classic up to 9.3. The impacted element is the function DBQuery_assignment of the file modules/grades/Assignments.php of the component Assignment Management Endpoint. The manipulation of the argument Tables leads to sql injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. 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.