CVE-2026-24900

MEDIUM
2026-02-09 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 19, 2026 - 20:08 nvd
Patch available
CVE Published
Feb 09, 2026 - 20:15 nvd
MEDIUM 6.5

Tags

Authentication Bypass Markus

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.

Analysis

Markus versions up to 2.9.1 is affected by authorization bypass through user-controlled key (CVSS 6.5).

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-24900 vulnerability details – vuln.today
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