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 patched in version 2.9.4.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 4.9
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.28%
- CWE
- CWE-776
- Published
- 2026-03-06
- Last modified
- 2026-03-12
Affected products
- MarkUsProject Markus
Weakness type
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