ClassroomIO through 1.0.0 contains an incorrect authorization vulnerability in the PUT and DELETE /:lessonId lesson routes that allows any course member, including students, to modify lessons. Authenticated students can supply arbitrary lesson ids to change titles and stored HTML content or delete lessons in their course and in other courses and organizations.
History

Fri, 16 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description ClassroomIO through 1.0.0 contains an incorrect authorization vulnerability in the PUT and DELETE /:lessonId lesson routes that allows any course member, including students, to modify lessons. Authenticated students can supply arbitrary lesson ids to change titles and stored HTML content or delete lessons in their course and in other courses and organizations.
Title ClassroomIO through 1.0.0 Incorrect Authorization via Lesson Update and Delete Routes
First Time appeared Classroomio
Classroomio classroomio
Weaknesses CWE-863
CPEs cpe:2.3:a:classroomio:classroomio:*:*:*:*:*:*:*:*
Vendors & Products Classroomio
Classroomio classroomio
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-15T21:43:52.330Z

Updated: 2026-10-16T17:08:02.709Z

Reserved: 2026-10-15T21:21:32.069Z

Link: CVE-2026-111369

cve-icon Vulnrichment

Updated: 2026-10-16T16:31:48.754Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:35.013

Modified: 2026-10-16T18:25:45.343

Link: CVE-2026-111369

cve-icon Redhat

No data.