Authorization Bypass in mjperpinosa Stumasy Note Handler/Assignment Handler
CVE-2026-14753

6.9MEDIUM

Key Information:

Vendor

Mjperpinosa

Status
Stumasy
Vendor
CVE Published:
5 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14753?

A vulnerability exists in mjperpinosa's Stumasy within the Note Handler and Assignment Handler components, specifically impacting the /PHP/objects/notes file. This vulnerability allows for an authorization bypass through manipulation of the argument 'assignment_item_id'. The exploit can be executed remotely, posing significant risks of unauthorized access. Continuous delivery with rolling releases complicates the tracking of affected versions, as the project maintains a dynamic update model. Despite early notification regarding this issue, the project maintainers have yet to provide a response.

Affected Version(s)

stumasy 327d1b0f2915ba79d7ef8ebb74553e987609d9be

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-2026-14753 - Proof of Concept

References

https://vuldb.com/vuln/376342
vdb-entrytechnical-description
https://vuldb.com/vuln/376342/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14753
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

gscsd (VulDB User)
VulDB CNA Team
.