VULNERABILITY INTELLIGENCE

CVE-2026-27807

CVSS score4.9 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-03-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • security-advisories@github.com: CWE-776

Primary references