CVE-2026-28405

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.1, the courses//assignments//submissions/htmlcontent route reads the contents of a student-submitted file and renders them without sanitization. This issue has been patched in version 2.9.1...

CVE-2026-27807

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

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//assignments/uploadconfigfiles. The uploaded zip file entry names are used to create paths to...

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//assignments/uploadconfigfiles. The uploaded zip file entry names are used to create paths to...

CVE-2026-24900

MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, the courses//assignments//submissions/htmlcontent accepted a selectfileid parameter to serve SubmissionFile objects containing a record of files submitted by students. This parameter was not correct...

CVE-2024-51743 Arbitrary File Write leading up to remote code execution (instructor accounts)

MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability in the update/upload/create file methods in Controllers allows authenticated instructors to write arbitrary files to any location on the web server...