MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, the courses/<:course_id>/assignments/<:assignment_id>/submissions/html_content accepted a select_file_id parameter to serve SubmissionFile objects containing a record of files submitted by students. This parameter was not correctly scoped to the requesting user, allowing users access arbitrary submission file contents by id. This vulnerability is fixed in 2.9.1.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 10 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Markusproject
Markusproject markus
Vendors & Products Markusproject
Markusproject markus

Mon, 09 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
Description MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, the courses/<:course_id>/assignments/<:assignment_id>/submissions/html_content accepted a select_file_id parameter to serve SubmissionFile objects containing a record of files submitted by students. This parameter was not correctly scoped to the requesting user, allowing users access arbitrary submission file contents by id. This vulnerability is fixed in 2.9.1.
Title MarkUs has a submission-view IDOR exposes all student submissions
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-10T16:01:21.289Z

Reserved: 2026-01-27T19:35:20.529Z

Link: CVE-2026-24900

cve-icon Vulnrichment

Updated: 2026-02-10T15:30:27.490Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-09T20:15:56.387

Modified: 2026-02-09T21:55:30.093

Link: CVE-2026-24900

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-10T11:35:17Z

Weaknesses