Critical severityNVD Advisory· Published Oct 5, 2026

CVE-2026-91107

Description

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.

Patches

Vulnerability mechanics

References

fluidattacks.com/advisories/heartsnvd
github.com/OS4ED/openSIS-Classic/commit/24bb530391a67c114cd4fe3dff65da7e070f5ed1nvd

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