Insecure Direct Object Reference in classroomio Affects Student Data Access
CVE-2025-65670

Currently unrated

Key Information:

Vendor
CVE Published:
26 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-65670?

An Insecure Direct Object Reference (IDOR) vulnerability in classroomio version 0.1.13 allows unauthorized access to sensitive endpoints that should only be available to administrators or teachers. By manipulating course IDs within URLs, students can inadvertently access confidential information, including sensitive course content and personal data of administrators and other students. This vulnerability can lead to significant data exposure risk before the system restricts access again.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

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CVE-2025-65670 : Insecure Direct Object Reference in classroomio Affects Student Data Access