dbcve.org
Improper Access ControlWeakness · CWE-284

CVE-2026-11333

MEDIUM · 6.3 CVSS v3.1 Published 2026-06-05
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
69/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A security vulnerability has been detected in tittuvarghese CollegeManagementSystem 3e476335cfbfb9a049e09f474c7ec885f69a9df3/a38852979f7e27ae67b610dce5979500ef8ebe01. The impacted element is an unknown function of the file dashboard_page/forms/upload_student_data.php of the component Student Data Upload Endpoint. Such manipulation of the argument Student-Data-CSV leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is an unrestricted file upload vulnerability in the CollegeManagementSystem's student data upload functionality (upload_student_data.php). The application fails to properly validate files uploaded through the Student-Data-CSV parameter, allowing attackers to upload arbitrary files (potentially malicious PHP scripts or webshells) to the server. This could lead to remote code execution if the uploaded files are accessible via the web root.

MitigationImplement strict file upload validation including MIME type checking, extension whitelist (restrict to .csv only), file content validation, and store uploaded files outside the webroot or in a non-executable directory with randomized filenames.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Locate the vulnerable upload script
    Search the web root for upload_student_data.php file - typically found in /admin/, /student/, or /upload/ directories within the CollegeManagementSystem application
    Affected if The file upload_student_data.php exists in the application directory
  2. Verify the upload endpoint accepts the Student-Data-CSV parameter
    Review the HTML form in upload_student_data.php or any included forms, looking for an input field named 'Student-Data-CSV' that handles file uploads
    Affected if The form contains a file input named 'Student-Data-CSV' that accepts uploads without validation
  3. Inspect file type validation in the upload handler
    Examine upload_student_data.php code for MIME type checking, extension validation, or content validation before saving files - look for functions like mime_content_type, finfo_file, or whitelist arrays
    Affected if No MIME type, extension whitelist, or content validation code exists before the move_uploaded_file() or equivalent save operation
  4. Check upload directory configuration
    Look for the $upload_dir, $target_dir, or similar variable defining where files are saved - verify if it points inside the web root (public_html, www, htdocs)
    Affected if Uploaded files are saved to a directory accessible via HTTP (within web root)
  5. Verify uploaded files retain executable extensions
    Check if the code preserves or allows file extensions from the original filename - look for code that uses $_FILES['Student-Data-CSV']['name'] directly without renaming
    Affected if The script allows .php, .phtml, .exe or other executable extensions to be saved and accessed through the browser

You are affected if the CollegeManagementSystem is installed with upload_student_data.php that accepts file uploads via Student-Data-CSV parameter without strict validation and stores files in a web-accessible location with their original extensions intact.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict file upload validation including MIME type checking, extension whitelist (restrict to .csv only), file content validation, and store uploaded files outside the webroot or in a non-executable directory with randomized filenames.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-11333 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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