CVE-2026-91107

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Source
https://cve.org/CVERecord?id=CVE-2026-91107
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91107.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-91107
Published
2026-10-05T21:29:29Z
Modified
2026-10-08T02:30:36Z
Severity
  • 9.3 (Critical) CVSS_V4 - 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 CVSS Calculator
Summary
openSIS Classic 9.3 - Insecure Direct Object Reference (IDOR)
Details

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.

Database specific 
{
    "cna_assigner": "Fluid Attacks",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91107.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "9.3"
                },
                {
                    "last_affected": "9.3"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/os4ed/opensis-classic

Affected ranges

Type
GIT
Repo
https://github.com/os4ed/opensis-classic
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
24bb530391a67c114cd4fe3dff65da7e070f5ed1
Database specific
Show details 
{
    "source": "REFERENCES"
}

Affected versions

V7.*
V7.5
V7.6
V8.*
V8.0
V9.*
V9.0
V9.1
V9.2
Ver7.*
Ver7.0Prod_update
Ver7.0beta1
v7.*
v7.1
v7.2
v7.3
ver7.*
ver7.1
ver7.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91107.json"