CVE-2025-67259

MEDIUM EPSS 11.5%

Published Apr 24, 20262mo ago · Modified Jun 17, 20261w ago

6.5 CVSS 3.1

Medium

Published Apr 24, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

6.5

Exploitability

2.8

Impact

3.6

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality High

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

11.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-284

CWE-285

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.