Insecure Direct Object Reference in LearnHouse Student Assignment Submission Handler
CVE-2025-12270

5.3MEDIUM

Key Information:

Vendor

LearnHouse

Status
Learnhouse
Vendor
CVE Published:
27 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12270?

A vulnerability exists in the Student Assignment Submission Handler of LearnHouse, allowing malicious actors to manipulate resource identifiers via the '/api/v1/assignments/{assignment_id}/tasks/{task_id}/sub_file' endpoint. This flaw, which can be exploited remotely, poses a risk to the integrity of submitted assignments as it enables unauthorized access and control over sensitive resources. The vendor has been notified but has not issued any response or patch to address the issue.

Affected Version(s)

LearnHouse 98dfad76aad70711a8113f6c1fdabfccf10509ca

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.

CVE-2025-12270 - Proof of Concept

References

https://vuldb.com/?id.329942
vdb-entry
https://vuldb.com/?ctiid.329942
signaturepermissions-required
https://vuldb.com/?submit.674147
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

KhanMarshal (VulDB User)
.