CVE-2026-27807

MediumCVSS 4.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 6, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-27807: Medium severity, CVSS 4.9 | Vulnix