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CVE-2026-91107

openSIS Classic 9.3 - Insecure Direct Object Reference (IDOR)

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Fix
Fix or patch referenced
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: none
  • Automatable: no
  • Technical impact: total
?

Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

Summary

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.

Affected versions

  • OS4ED openSIS-Classic

    9.3

References 3

fluidattacks.com

GitHub · OS4ED/openSIS-Classic