OS4ED has 6 CVEs on record. Disclosure cadence is accelerating: 6 in the last 90 days against 0 in the 90 before. The busiest recent month was September 2026 with 5. The median CVSS is 6.3 (medium), with 1 rated critical. None have a confirmed exploitation report. The dominant weakness classes are CWE-74 (5) and CWE-89 (5).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.3
- Publish → KEV
- —
- Last 90 days
- 6 prev 0
Worst active — by depth score
CVE-2026-91107Critical· 9.3openSIS Classic 9.3 allows an authenticated user with the built-in teacher role can select an arbitrary staff record through staff_id and cause the School Information update path to reset that selected account's password.51CVE-2026-103116Medium· 6.3A weakness has been identified in OS4ED openSIS-Classic up to 9.347CVE-2026-103115Medium· 6.3A security flaw has been discovered in OS4ED openSIS-Classic up to 9.347CVE-2026-103114Medium· 6.3A vulnerability was identified in OS4ED openSIS-Classic up to 9.347CVE-2026-103117Medium· 4.7A security vulnerability has been detected in OS4ED openSIS-Classic up to 9.338
OS4ED vulnerabilities
CVEs affecting OS4ED, newest first. Open any entry for full detail, references, and exploit status.
6 CVEsRSS
CVE-2026-91107Critical· 9.3openSIS Classic 9.3 allows an authenticated user with the built-in teacher role can select an arbitrary staff record through staff_id and cause the School Information update path to reset that selected account's password.
openSIS Classic 9.3 allows an authenticated user with the built-in teacher role can select an arbitrary staff record through staff_id and cause the School Information update path to reset that selected account's password.
CVE-2026-103117Medium· 4.7PoCA security vulnerability has been detected in OS4ED openSIS-Classic up to 9.3
A security vulnerability has been detected in OS4ED openSIS-Classic up to 9.3. Affected is the function db_properties of the file functions/DatabaseInc.php of the component Save Data Handler. Such manipulation of the argument values lead…
CVE-2026-103115Medium· 6.3PoCA security flaw has been discovered in OS4ED openSIS-Classic up to 9.3
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 inje…
CVE-2026-103116Medium· 6.3PoCA weakness has been identified in OS4ED openSIS-Classic up to 9.3
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 …
CVE-2026-103114Medium· 6.3PoCA vulnerability was identified in OS4ED openSIS-Classic up to 9.3
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…
CVE-2026-103113Medium· 4.7PoCA vulnerability was determined in OS4ED openSIS-Classic up to 9.3
A vulnerability was determined in OS4ED openSIS-Classic up to 9.3. The affected element is the function save action of the file modules/students/Student.php of the component General Information Tab. Executing a manipulation of the argume…