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VulnerabilityPublished

CVE-2025-26186: openSIS-Classic · SQL Injection

Affects openSIS-ClassicSource CVE Database V5

0

Not known to be exploited · CVSS 8.1 High.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubos4ed/openSIS-Classicpkg:github/os4ed/openSIS-ClassicOther threatsAffected
  • =9.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Organizations should immediately audit their openSIS deployments to identify affected versions, particularly version 9.1. In the absence of an official patch, applying web application firewall (WAF) rules to detect and block SQL Injection patterns targeting the 'id' parameter in Ajax.php is critical. Input validation and parameterized queries should be implemented or verified in the application code to prevent injection. Network segmentation and limiting access to the openSIS application to trusted networks can reduce exposure. Monitoring web server and database logs for suspicious queries or anomalies related to the Ajax.php endpoint is advised. Institutions should also prepare incident response plans specific to data breaches involving student information. Once a patch is released, prompt application is essential. Additionally, conducting security assessments or penetration tests focused on injection vulnerabilities can help identify other potential weaknesses.

Description

SQL Injection vulnerability in openSIS v.9.1 allows a remote attacker to execute arbitrary code via the id parameter in Ajax.php

References

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