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2.1

openSIS-Classic student search lets remote attackers alter database

CVE-2026-103115 · published 19 days ago
Summary

The student‑search feature in openSIS‑Classic (versions up to 9.3) can be tricked into running unauthorized database commands. An attacker could change or view data from anywhere on the internet. Apply the vendor’s update or a patch that sanitizes the input to the custom fields function.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
os4ed opensis-classic 9.0
Original advisory text
OS4ED openSIS-Classic Student Search CustomFieldsFnc.php sql injection
A security flaw has been discovered in OS4ED openSIS-Classic up to 9.3. This affects an unknown function of the file functions/CustomFieldsFnc.php of the component Student Search. The manipulation of the argument cust results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
2.1 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-89SQL Injection
CWE-74Injection
Timeline
Published30 Sep 2026
Updated19 Oct 2026
First seen30 Sep 2026
Sources
CVE-2026-103115 · NVD
CVE-2026-103115 · MITRE
CVE-2026-103115 · OSV
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