MEDIUMCVSS v3.1 6.4Vulnerability

CVE-2026-111368

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00232
Cvss severity
MEDIUM
Cvss score
6.4
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
6.4
Cvss version
3.1
Cve id
CVE-2026-111368
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
Published at
2026-10-15T22:19:34.847
Last modified
2026-10-16T18:25:45.343
Epss percentile
0.13171

Related Entities (1)

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CVE-2026-111368 (CVSS v3.1 6.4) — Ninja Signal Threat Intelligence | Ninja Signal