CVE-2026-121732
Published:November 03, 2026
Updated:November 04, 2026
RosarioSIS before 12.9 contains an improper authorization vulnerability that allows school-scoped administrators to assign fees and payments to students of other schools via MassAssignFees.php and MassAssignPayments.php. Attackers can substitute foreign student IDs in the student[] POST array of a modfunc=save request to alter other schools' student billing balances, breaking school isolation.
Affected Packages
https://github.com/francoisjacquet/rosariosis.git (GITHUB):
Affected version(s) >=v1.2 <v12.9 || >=v2.0b2 <v12.9 || >=v3.0 <v12.9 || >=v4.0-beta <v12.9 || >=v5.0-beta2 <v12.9 || >=v6.0-beta <v12.9 || >=v7.0-beta <v12.9 || >=v8.0 <v12.9 || >=v9.0 <v12.9 || >=v10.1 <v12.9 || >=v11.0 <v12.9 || >=v12.0 <v12.9 || >=2.9.8 <v12.9 || =5.0-beta <v12.9Fix Suggestion:
Update to version v12.9Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.24