CVE-2026-25057

CRITICAL
2026-02-09 [email protected]
9.1
CVSS 3.1
Share

CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 19, 2026 - 20:25 nvd
Patch available
CVE Published
Feb 09, 2026 - 20:15 nvd
CRITICAL 9.1

Tags

Path Traversal Markus

Description

MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, instructors are able to upload a zip file to create an assignment from an exported configuration (courses/<:course_id>/assignments/upload_config_files). The uploaded zip file entry names are used to create paths to write files to disk without checking these paths. This vulnerability is fixed in 2.9.1.

Analysis

MarkUs grading platform prior to 2.9.1 has a path traversal enabling students to access other students' submissions or grading data.

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Identify all MarkUs instances and their versions; restrict access to the course assignment upload feature to system administrators only. Within 7 days: Apply the 2.9.1 patch to all affected MarkUs installations and conduct a thorough audit of uploaded assignment files for indicators of compromise. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +46
POC: 0

Share

CVE-2026-25057 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy