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    CVE-2026-91107

    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:Oct 5, 2026
    Last Modified:Oct 6, 2026
    EPS:Oct 5, 2026
    EPSS Score:0.00238
    CVSS Score:9.3

    Affected Products

    Vendor
    Os4ed
    Product
    Opensis-classic

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-103117 (CVSS 2) — A security vulnerability has been detected in OS4ED openSIS-Classic up to 9.3. Affected is the function db_pro…
    CVE-2026-103116 (CVSS 2.1) — A weakness has been identified in OS4ED openSIS-Classic up to 9.3. This impacts the function DBQuery of the fi…
    CVE-2026-103115 (CVSS 2.1) — A security flaw has been discovered in OS4ED openSIS-Classic up to 9.3. This affects an unknown function of th…
    CVE-2026-103114 (CVSS 2.1) — A vulnerability was identified in OS4ED openSIS-Classic up to 9.3. The impacted element is the function DBQuer…
    CVE-2026-103113 (CVSS 2) — A vulnerability was determined in OS4ED openSIS-Classic up to 9.3. The affected element is the function save a…
    CVE-2026-11944 (CVSS 5.3) — openSIS Classic 9.3 contains an authenticated path traversal vulnerability in the legacy messaging sent-mail a…
    CVE-2026-8406 (CVSS 7.1) — openSIS Classic 9.3 contains an insecure direct object reference vulnerability in the messaging module. Any au…
    CVE-2024-51211 (CVSS 9.8) — SQL injection vulnerability exists in OS4ED openSIS-Classic Version 9.1, specifically in the resetuserinfo.php…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High