ClassroomIO through 1.0.0 IDOR via Course Submission Update, Grade and Delete Routes
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-111368
PublishedClassroomIO 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.
- Source published
- 15 Oct 2026 21:43:51 UTC
- Source modified
- 16 Oct 2026 14:14:38 UTC
- Observed here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
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CVSS 4.0 · 6.1 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
CVSS 3.1 · 6.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L