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RosarioSIS CVE-2026-19784

| EUVDEUVD-2026-58568 LOW
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-08-14 VulDB GHSA-9q5c-5jw2-5hfp
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
4.3 MEDIUM

Network-reachable web app requires low-privilege auth (PR:L); only low integrity impact (I:L) via unauthorized record modification; no confidentiality or availability impact confirmed.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Source Code Evidence Fetched
Aug 14, 2026 - 03:46 vuln.today
Analysis Generated
Aug 14, 2026 - 03:46 vuln.today
Severity Changed
Aug 14, 2026 - 03:22 NVD
MEDIUM LOW
CVSS changed
Aug 14, 2026 - 03:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Aug 14, 2026 - 02:00 cve.org
LOW 2.1

DescriptionCVE.org

A flaw has been found in francoisjacquet RosarioSIS up to 12.8. This affects the function DBUpdate of the file Discipline/Referrals.php. This manipulation causes authorization bypass. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading to version 12.9 is able to mitigate this issue. Patch name: 04dd1a368ddf80ad7082baefa3c656e4e1825c76. It is suggested to upgrade the affected component.

AnalysisAI

Authorization bypass via Insecure Direct Object Reference (IDOR) in RosarioSIS up to version 12.8 allows authenticated low-privilege users to manipulate numeric record IDs in HTTP requests to save or delete records belonging to other schools within the same multi-tenant installation. The vulnerability is program-wide, affecting at least Accounting, Attendance, and Discipline modules - not limited to Discipline/Referrals.php as the CVE description implies. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated user account on the RosarioSIS instance - the CVSS 4.0 vector confirms PR:L (low-privilege authentication). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low-to-moderate despite the availability of a public exploit. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to RosarioSIS version 12.9, which includes commit 04dd1a368ddf80ad7082baefa3c656e4e1825c76 applying SCHOOL_ID and SYEAR constraints to all affected database queries. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-19784 vulnerability details – vuln.today

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