CVE-2025-67259

6.5 mediumEPSS 0.2%

Medium (6.5). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWEs: CWE-284, CWE-285
Published: 2026-04-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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