Null Pointer Dereference in FascinatedBox Lily Affects Local Execution
CVE-2026-3392

4.8MEDIUM

Key Information:

Vendor

Fascinatedbox

Status
Lily
Vendor
CVE Published:
1 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3392?

A vulnerability has been detected in the FascinatedBox Lily software, specifically in the eval_tree function located in the src/lily_emitter.c file. This vulnerability leads to a null pointer dereference, which can result in unintended behavior when the code is executed locally. With the exploit now publicly available, users should be aware that local execution could potentially allow attackers to compromise the system. Despite an issue report submitted early on, the vendor has yet to address the problem.

Affected Version(s)

lily 2.0

lily 2.1

lily 2.2

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-2026-3392 - Proof of Concept

References

https://vuldb.com/?id.348278
vdb-entrytechnical-description
https://vuldb.com/?ctiid.348278
signaturepermissions-required
https://vuldb.com/?submit.761328
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
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

Oneafter (VulDB User)
.