Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-25057

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.9%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-25057


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