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.
Scores
CVSS v3
4.9
EPSS
0.0007
EPSS Percentile
20.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-776
Status
published
Products (1)
markusproject/markus
< 2.9.4
Published
Mar 06, 2026
Tracked Since
Mar 06, 2026