CVE-2026-111368 (GCVE-0-2026-111368)

Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-15 21:43
VLAI
Title
ClassroomIO through 1.0.0 IDOR via Course Submission Update, Grade and Delete Routes
Summary
ClassroomIO through 1.0.0 contains an insecure direct object reference vulnerability in the Hono API course submission routes that allows course tutors or admins to modify submissions in other courses. Attackers can supply their own course id with another course's submission UUID to PUT or DELETE handlers to overwrite answers, grades, feedback, and grading status or delete submissions.
Severity
6.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
6.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6249 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
classroomio ClassroomIO Affected: 0 , ≤ 1.0.0 (semver)
    cpe:2.3:a:classroomio:classroomio:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-15 00:00
Credits
hieuPenguinnn
Show details on NVD website
To clipboard 

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    "dateReserved": "2026-10-15T21:21:27.275Z",
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          }
        ],
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}



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