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.
Published: 2026-10-05
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 06 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 05 Oct 2026 21:45:00 +0000

Type Values Removed Values Added
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.
Title openSIS Classic 9.3 - Insecure Direct Object Reference (IDOR)
First Time appeared Os4ed
Os4ed opensis-classic
Weaknesses CWE-639
CPEs cpe:2.3:a:os4ed:opensis-classic:9.3:*:linux:*:*:*:*:*
cpe:2.3:a:os4ed:opensis-classic:9.3:*:macos:*:*:*:*:*
cpe:2.3:a:os4ed:opensis-classic:9.3:*:windows:*:*:*:*:*
Vendors & Products Os4ed
Os4ed opensis-classic
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N'}


Subscriptions

Os4ed Opensis-classic
cve-icon MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published:

Updated: 2026-10-06T13:54:11.351Z

Reserved: 2026-09-14T19:25:23.243Z

Link: CVE-2026-91107

cve-icon Vulnrichment

Updated: 2026-10-06T13:54:02.948Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-05T22:16:58.657

Modified: 2026-10-06T15:08:38.397

Link: CVE-2026-91107

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T22:30:19Z

Weaknesses