CVE-2025-67259 - Vulnerability Details - OpenCVE

A Broken Access Control vulnerability exists in ClassroomIO v0.1.13 where an authenticated low-privileged "student" user can access unauthorized course-level information by modifying intercepted API requests. Changing a captured POST request to a GET request against the /rest/v1/course PostgREST endpoint results in disclosure of sensitive information including other students details, tutor/admin profiles, and internal course metadata.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://drive.google.com/file/d/1G_IjEURNBcaSmBo4FdOo_27q-4H9MV34/view?usp=drive_link
https://github.com/classroomio/classroomio/issues/642

History

Fri, 24 Apr 2026 18:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-284 CWE-285
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 24 Apr 2026 15:30:00 +0000

Type	Values Removed	Values Added
Description		A Broken Access Control vulnerability exists in ClassroomIO v0.1.13 where an authenticated low-privileged "student" user can access unauthorized course-level information by modifying intercepted API requests. Changing a captured POST request to a GET request against the /rest/v1/course PostgREST endpoint results in disclosure of sensitive information including other students details, tutor/admin profiles, and internal course metadata.
References		https://drive.google.com/file/d/1G_IjEURNBcaSmBo4FdOo_27q-4H9MV34/view?usp=drive_link https://github.com/classroomio/classroomio/issues/642

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-04-24T00:00:00.000Z

Updated: 2026-04-24T17:58:28.632Z

Reserved: 2025-12-08T00:00:00.000Z

Link: CVE-2025-67259

Vulnrichment

Updated: 2026-04-24T17:57:12.741Z

NVD

Status : Deferred

Published: 2026-04-24T16:16:23.907

Modified: 2026-04-24T18:16:23.980

Link: CVE-2025-67259

Redhat

No data.

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