CVE-2026-111368
ClassroomIO through 1.0.0 IDOR via Course Submission Update, Grade and Delete Routes
Published Oct 15, 2026 · updated Oct 15, 2026 · classroomio ClassroomIO
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.
Code
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Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · NIST NVD
Detected
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.
Affected
- vendor classroomio ClassroomIOversion unspecified
Sources
- CVE.orgVulnerability recordCVE-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
cve.org - NIST NVDVulnerability recordCVE-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
nvd.nist.gov