# OS4ED openSIS Classic vulnerabilities

Source: https://junglewise.ai/threats/technologies/opensis-classic  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opensis-classic.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in OS4ED openSIS Classic: 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-91107, was published on 5 October 2026. Nothing in the last four weeks, down from 6 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 6
- All time: 8 (0 critical, 0 exploited in the wild)

## About OS4ED openSIS Classic

An open-source student information system designed for K-12 and higher education institutions.

## Latest OS4ED openSIS Classic vulnerabilities

- [CVE-2026-91107: openSIS Classic insecure direct object reference in staff password reset](https://junglewise.ai/threats/cve-2026-91107-opensis-classic-9-3-allows-an-authenticated-user-with-the-built) (info, published 5 Oct 2026)
- [CVE-2026-103117: OS4ED openSIS-Classic SQL injection in Save Data Handler](https://junglewise.ai/threats/cve-2026-103117-a-security-vulnerability-has-been-detected-in-os4ed-opensis) (medium, CVSS 4.7, published 30 Sep 2026)
- [CVE-2026-103116: OS4ED openSIS-Classic SQL injection in student list search](https://junglewise.ai/threats/cve-2026-103116-a-weakness-has-been-identified-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103115: OS4ED openSIS-Classic SQL injection in Student Search](https://junglewise.ai/threats/cve-2026-103115-a-security-flaw-has-been-discovered-in-os4ed-opensis-classic-up) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103114: OS4ED openSIS-Classic SQL injection in Assignment Management](https://junglewise.ai/threats/cve-2026-103114-a-vulnerability-was-identified-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103113: OS4ED openSIS-Classic SQL injection in student fields](https://junglewise.ai/threats/cve-2026-103113-a-vulnerability-was-determined-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 4.7, published 30 Sep 2026)
- [CVE-2026-11944: OS4ED openSIS Classic path traversal in messaging attachment download](https://junglewise.ai/threats/cve-2026-11944-os4ed-opensis-classic-path-traversal-in-messaging-attachment) (info, CVSS 5.3, published 14 Jul 2026)
- [CVE-2026-8406: OS4ED openSIS Classic IDOR in messaging module](https://junglewise.ai/threats/cve-2026-8406-os4ed-opensis-classic-idor-in-messaging-module) (info, CVSS 7.1, published 11 Jun 2026)

## Most severe OS4ED openSIS Classic vulnerabilities

- [CVE-2026-103116: OS4ED openSIS-Classic SQL injection in student list search](https://junglewise.ai/threats/cve-2026-103116-a-weakness-has-been-identified-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103115: OS4ED openSIS-Classic SQL injection in Student Search](https://junglewise.ai/threats/cve-2026-103115-a-security-flaw-has-been-discovered-in-os4ed-opensis-classic-up) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103114: OS4ED openSIS-Classic SQL injection in Assignment Management](https://junglewise.ai/threats/cve-2026-103114-a-vulnerability-was-identified-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 6.3, published 30 Sep 2026)
- [CVE-2026-103117: OS4ED openSIS-Classic SQL injection in Save Data Handler](https://junglewise.ai/threats/cve-2026-103117-a-security-vulnerability-has-been-detected-in-os4ed-opensis) (medium, CVSS 4.7, published 30 Sep 2026)
- [CVE-2026-103113: OS4ED openSIS-Classic SQL injection in student fields](https://junglewise.ai/threats/cve-2026-103113-a-vulnerability-was-determined-in-os4ed-opensis-classic-up-to-9) (medium, CVSS 4.7, published 30 Sep 2026)
- [CVE-2026-8406: OS4ED openSIS Classic IDOR in messaging module](https://junglewise.ai/threats/cve-2026-8406-os4ed-opensis-classic-idor-in-messaging-module) (info, CVSS 7.1, published 11 Jun 2026)
- [CVE-2026-11944: OS4ED openSIS Classic path traversal in messaging attachment download](https://junglewise.ai/threats/cve-2026-11944-os4ed-opensis-classic-path-traversal-in-messaging-attachment) (info, CVSS 5.3, published 14 Jul 2026)
- [CVE-2026-91107: openSIS Classic insecure direct object reference in staff password reset](https://junglewise.ai/threats/cve-2026-91107-opensis-classic-9-3-allows-an-authenticated-user-with-the-built) (info, published 5 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 6 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 5 | 0 | 0 |
| 5 Oct 2026 | 1 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OS4ED openSIS Classic vulnerabilities", https://junglewise.ai/threats/technologies/opensis-classic, 9 November 2026.